Is CVE-2026-12328 in the CISA KEV catalog?

No. CVE-2026-12328 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-12328?

CVE-2026-12328 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2026-12328?

CVE-2026-12328 has an EPSS score of 0.48% (38th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-12328?

Upgrade firefox on debian unstable to 152.0-1 or later. Fixes are available for 18 affected products.

CVE & CISA-KEV Catalog

CVE-2026-12328

HIGH

8.1

CVSS v3

NVD

Description

Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

CWE-120Classic Buffer Overflow CWE-825

How to fix

Remediation Available

firefoxDebian

Fixed in:152.0-1CVE-2026-12328

firefoxRocky

Fixed in:0:140.12.0-1.el10_0RHSA-2026:36100

Fixed in:0:140.12.0-1.el10_2RHSA-2026:27733

Fixed in:0:140.12.0-1.el10_0RHSA-2026:36100

Fixed in:0:140.12.0-1.el10_2RHSA-2026:27733

Fixed in:0:140.12.0-1.el10_0RHSA-2026:36100

Fixed in:0:140.12.0-1.el7_9RHSA-2026:38506

Fixed in:0:140.12.0-1.el7_9.ppc64RHSA-2026:38506

Fixed in:0:140.12.0-1.el8_4RHSA-2026:36102

Fixed in:0:140.12.0-1.el8_10RHSA-2026:27717

Fixed in:0:140.12.0-1.el8_6RHSA-2026:37210

Fixed in:0:140.12.0-1.el8_8RHSA-2026:36103

Fixed in:0:140.12.0-1.el8_4RHSA-2026:36102

Fixed in:0:140.12.0-1.el8_8RHSA-2026:36103

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

firefoxRed Hat / RHEL

Fixed in:0:140.12.0-1.el10_0RHSA-2026:36100

Fixed in:0:140.12.0-1.el10_2RHSA-2026:27733

Fixed in:0:140.12.0-1.el10_0RHSA-2026:36100

Fixed in:0:140.12.0-1.el10_2RHSA-2026:27733

Fixed in:0:140.12.0-1.el10_0RHSA-2026:36100

Fixed in:0:140.12.0-1.el7_9RHSA-2026:38506

Fixed in:0:140.12.0-1.el7_9.ppc64RHSA-2026:38506

Fixed in:0:140.12.0-1.el7_9RHSA-2026:38506

Fixed in:0:140.12.0-1.el8_8RHSA-2026:36103

Fixed in:0:140.12.0-1.el8_6RHSA-2026:37210

Fixed in:0:140.12.0-1.el8_8RHSA-2026:36103

Fixed in:0:140.12.0-1.el8_4RHSA-2026:36102

Fixed in:0:140.12.0-1.el8_6RHSA-2026:37210

Fixed in:0:140.12.0-1.el8_10RHSA-2026:27717

Fixed in:0:140.12.0-1.el8_4RHSA-2026:36102

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

firefox-debuginfoRed Hat / RHEL

Fixed in:0:140.12.0-1.el10_2RHSA-2026:27733

Fixed in:0:140.12.0-1.el10_0RHSA-2026:36100

Fixed in:0:140.12.0-1.el10_2RHSA-2026:27733

Fixed in:0:140.12.0-1.el10_0RHSA-2026:36100

Fixed in:0:140.12.0-1.el10_2RHSA-2026:27733

Fixed in:0:140.12.0-1.el7_9.ppc64RHSA-2026:38506

Fixed in:0:140.12.0-1.el7_9RHSA-2026:38506

Fixed in:0:140.12.0-1.el8_6RHSA-2026:37210

Fixed in:0:140.12.0-1.el8_4RHSA-2026:36102

Fixed in:0:140.12.0-1.el8_8RHSA-2026:36103

Fixed in:0:140.12.0-1.el8_10RHSA-2026:27717

Fixed in:0:140.12.0-1.el8_8RHSA-2026:36103

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

firefox-debuginfoRocky

Fixed in:0:140.12.0-1.el10_2RHSA-2026:27733

Fixed in:0:140.12.0-1.el10_0RHSA-2026:36100

Fixed in:0:140.12.0-1.el10_2RHSA-2026:27733

Fixed in:0:140.12.0-1.el10_0RHSA-2026:36100

Fixed in:0:140.12.0-1.el7_9RHSA-2026:38506

Fixed in:0:140.12.0-1.el7_9.ppc64RHSA-2026:38506

Fixed in:0:140.12.0-1.el8_8RHSA-2026:36103

Fixed in:0:140.12.0-1.el8_4RHSA-2026:36102

Fixed in:0:140.12.0-1.el8_10RHSA-2026:27717

Fixed in:0:140.12.0-1.el8_8RHSA-2026:36103

Fixed in:0:140.12.0-1.el8_6RHSA-2026:37210

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

firefox-debugsourceRed Hat / RHEL

Fixed in:0:140.12.0-1.el10_2RHSA-2026:27733

Fixed in:0:140.12.0-1.el10_0RHSA-2026:36100

Fixed in:0:140.12.0-1.el10_2RHSA-2026:27733

Fixed in:0:140.12.0-1.el10_0RHSA-2026:36100

Fixed in:0:140.12.0-1.el8_8RHSA-2026:36103

Fixed in:0:140.12.0-1.el8_6RHSA-2026:37210

Fixed in:0:140.12.0-1.el8_10RHSA-2026:27717

Fixed in:0:140.12.0-1.el8_4RHSA-2026:36102

Fixed in:0:140.12.0-1.el8_8RHSA-2026:36103

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

firefox-debugsourceRocky

Fixed in:0:140.12.0-1.el10_2RHSA-2026:27733

Fixed in:0:140.12.0-1.el10_0RHSA-2026:36100

Fixed in:0:140.12.0-1.el8_10RHSA-2026:27717

Fixed in:0:140.12.0-1.el8_8RHSA-2026:36103

Fixed in:0:140.12.0-1.el8_6RHSA-2026:37210

Fixed in:0:140.12.0-1.el8_8RHSA-2026:36103

Fixed in:0:140.12.0-1.el8_10RHSA-2026:27717

Fixed in:0:140.12.0-1.el8_4RHSA-2026:36102

Fixed in:0:140.12.0-1.el8_10RHSA-2026:27717

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

firefox-x11Rocky

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

firefox-x11Red Hat / RHEL

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_2RHSA-2026:36101

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_8RHSA-2026:27734

Fixed in:0:140.12.0-1.el9_4RHSA-2026:39011

Fixed in:0:140.12.0-1.el9_6RHSA-2026:37391

thunderbirdRocky

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_8RHSA-2026:39142

Fixed in:0:140.12.0-1.el8_4RHSA-2026:39428

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_6RHSA-2026:39141

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_4RHSA-2026:39428

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_8RHSA-2026:39142

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_6RHSA-2026:39141

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

thunderbirdRed Hat / RHEL

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_8RHSA-2026:39142

Fixed in:0:140.12.0-1.el8_6RHSA-2026:39141

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_8RHSA-2026:39142

Fixed in:0:140.12.0-1.el8_4RHSA-2026:39428

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_6RHSA-2026:39141

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_8RHSA-2026:39142

Fixed in:0:140.12.0-1.el8_4RHSA-2026:39428

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

thunderbird-debuginfoRed Hat / RHEL

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_4RHSA-2026:39428

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_8RHSA-2026:39142

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_8RHSA-2026:39142

Fixed in:0:140.12.0-1.el8_6RHSA-2026:39141

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

thunderbird-debuginfoRocky

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_8RHSA-2026:39142

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_8RHSA-2026:39142

Fixed in:0:140.12.0-1.el8_4RHSA-2026:39428

Fixed in:0:140.12.0-1.el8_6RHSA-2026:39141

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

thunderbird-debugsourceRed Hat / RHEL

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el8_8RHSA-2026:39142

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_8RHSA-2026:39142

Fixed in:0:140.12.0-1.el8_6RHSA-2026:39141

Fixed in:0:140.12.0-1.el8_4RHSA-2026:39428

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

thunderbird-debugsourceRocky

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el10_0RHSA-2026:38751

Fixed in:0:140.12.0-1.el10_2RHSA-2026:30846

Fixed in:0:140.12.0-1.el8_8RHSA-2026:39142

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_4RHSA-2026:39428

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_6RHSA-2026:39141

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el8_8RHSA-2026:39142

Fixed in:0:140.12.0-1.el8_10RHSA-2026:33445

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_2RHSA-2026:39706

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

Fixed in:0:140.12.0-1.el9_8RHSA-2026:29940

Fixed in:0:140.12.0-1.el9_4RHSA-2026:38753

Fixed in:0:140.12.0-1.el9_6RHSA-2026:38750

DeveloperEditionWindows application

Affected:140.0 140.12.0Fixed in:140.12.0Mozilla

Affected:115.37.0Fixed in:115.37.0Mozilla

Affected:152.0Fixed in:152.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:140.0 140.12.0Fixed in:140.12.0Mozilla

Affected:152.0Fixed in:152.0Mozilla

Affected:115.37.0Fixed in:115.37.0Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:140.0 140.12.0Fixed in:140.12.0Mozilla

Affected:152.0.0Fixed in:152.0.0Mozilla

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.48%probability of exploitation in 30 days

38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	92%	-	Fix

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Markdown

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This 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 2026-07-15.