CVE & CISA-KEV CatalogNVD
CVE-2026-8950
CRITICAL9.3
CVSS v3
Description
Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
How to fix
Remediation Available
firefoxDebian
Fixed in:151.0-1CVE-2026-8950
firefoxRed Hat / RHEL
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el7_9RHSA-2026:26551
Fixed in:0:140.11.0-1.el7_9RHSA-2026:26551
Fixed in:0:140.11.0-1.el7_9RHSA-2026:26551
Fixed in:0:140.11.0-1.el7_9.ppc64RHSA-2026:26551
Fixed in:0:140.11.0-1.el7_9RHSA-2026:26551
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26606
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26629
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26629
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26630
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26630
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26630
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26606
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
firefoxRocky
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el7_9RHSA-2026:26551
Fixed in:0:140.11.0-1.el7_9RHSA-2026:26551
Fixed in:0:140.11.0-1.el7_9.ppc64RHSA-2026:26551
Fixed in:0:140.11.0-1.el7_9RHSA-2026:26551
Fixed in:0:140.11.0-1.el7_9RHSA-2026:26551
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26629
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26629
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26606
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26630
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26630
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26606
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26630
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
firefox-debuginfoRocky
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el7_9RHSA-2026:26551
Fixed in:0:140.11.0-1.el7_9RHSA-2026:26551
Fixed in:0:140.11.0-1.el7_9.ppc64RHSA-2026:26551
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26630
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26606
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26630
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26629
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
firefox-debuginfoRed Hat / RHEL
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el7_9RHSA-2026:26551
Fixed in:0:140.11.0-1.el7_9.ppc64RHSA-2026:26551
Fixed in:0:140.11.0-1.el7_9RHSA-2026:26551
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26606
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26630
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26629
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26630
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
firefox-debugsourceRocky
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26606
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26630
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26630
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26629
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
firefox-debugsourceRed Hat / RHEL
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_0RHSA-2026:27715
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el10_2RHSA-2026:21380
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26630
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26606
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_10RHSA-2026:21382
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26630
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26629
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
firefox-x11Red Hat / RHEL
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
firefox-x11Rocky
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26493
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21378
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26491
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26492
thunderbirdRocky
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26536
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26270
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26270
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26536
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26268
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26268
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26268
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
thunderbirdRed Hat / RHEL
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26270
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26270
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26536
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26536
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26268
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26268
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26268
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
thunderbird-debuginfoRocky
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26536
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26270
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26268
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26268
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
thunderbird-debuginfoRed Hat / RHEL
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26268
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26536
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26270
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26268
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
thunderbird-debugsourceRocky
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26268
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26536
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26268
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26270
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
thunderbird-debugsourceRed Hat / RHEL
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el10_2RHSA-2026:22325
Fixed in:0:140.11.0-1.el10_0RHSA-2026:26539
Fixed in:0:140.11.0-1.el8_6RHSA-2026:26536
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26268
Fixed in:0:140.11.0-1.el8_8RHSA-2026:26268
Fixed in:0:140.11.0-1.el8_4RHSA-2026:26270
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el8_10RHSA-2026:22643
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_6RHSA-2026:26521
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_2RHSA-2026:26269
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
Fixed in:0:140.11.0-1.el9_4RHSA-2026:26174
Fixed in:0:140.11.0-1.el9_8RHSA-2026:21381
DeveloperEditionWindows application
Mozilla Firefox (en-US)Windows application
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Exploit Intelligence
0.19%probability of exploitation in 30 days
9thpercentile
Low risk: more likely to be exploited than 9% of all known CVEs.
References
Vendor Advisory4
Other references1
Related Vulnerabilities
Other CWE-346 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2009-1185 | High | 7.2 | 82% | - | Fix |
| CVE-2025-34291 | High | 8.8 | 79% | KEV | - |
| CVE-2020-16952 | High | 8.6 | 71% | - | - |
| CVE-2023-29711 | Critical | 9.8 | 70% | - | - |
| CVE-2015-4495 | High | 8.8 | 70% | KEV | Fix |
| CVE-2024-23898 | High | 8.8 | 67% | - | Fix |
Embed a live status badge for CVE-2026-8950
Markdown
[](https://tridentstack.com/cve/CVE-2026-8950)HTML
<a href="https://tridentstack.com/cve/CVE-2026-8950"><img src="https://tridentstack.com/cve/badge/CVE-2026-8950.svg" alt="CVE-2026-8950"></a>Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-20.