Is CVE-2025-11712 in the CISA KEV catalog?

No. CVE-2025-11712 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-11712?

CVE-2025-11712 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2025-11712?

CVE-2025-11712 has an EPSS score of 0.25% (16th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-11712?

Upgrade firefox on debian unstable to 144.0-1 or later. Fixes are available for 19 affected products.

CVE & CISA-KEV Catalog

CVE-2025-11712

MEDIUM

6.1

CVSS v3

NVD

Description

A malicious page could have used the type attribute of an OBJECT tag to override the default browser behavior when encountering a web resource served without a content-type. This could have contributed to an XSS on a site that unsafely serves files without a content-type header. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

CWE-116

How to fix

Remediation Available

firefoxDebian

Fixed in:144.0-1CVE-2025-11712

firefoxRed Hat / RHEL

Fixed in:0:140.4.0-3.el10_0RHSA-2025:18154

Fixed in:0:140.4.0-4.el7_9RHSA-2025:19278

Fixed in:0:140.4.0-4.el7_9.ppc64RHSA-2025:19278

Fixed in:0:140.4.0-4.el7_9RHSA-2025:19278

Fixed in:0:140.4.0-3.el8_10RHSA-2025:18285

Fixed in:0:140.4.0-3.el8_2RHSA-2025:21054

Fixed in:0:140.4.0-3.el8_8RHSA-2025:21057

Fixed in:0:140.4.0-3.el8_2RHSA-2025:21054

Fixed in:0:140.4.0-3.el8_8RHSA-2025:21057

Fixed in:0:140.4.0-3.el8_6RHSA-2025:21056

Fixed in:0:140.4.0-3.el8_4RHSA-2025:21055

Fixed in:0:140.4.0-3.el8_10RHSA-2025:18285

Fixed in:0:140.4.0-3.el8_4RHSA-2025:21055

Fixed in:0:140.4.0-3.el8_10RHSA-2025:18285

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_4RHSA-2025:21059

Fixed in:0:140.4.0-3.el9_0RHSA-2025:21058

Fixed in:0:140.4.0-3.el9_4RHSA-2025:21059

Fixed in:0:140.4.0-3.el9_0RHSA-2025:21058

Fixed in:0:140.4.0-3.el9_4RHSA-2025:21059

Fixed in:0:140.4.0-3.el9_0RHSA-2025:21058

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

firefoxRocky

Fixed in:0:140.4.0-3.el10_0RHSA-2025:18154

Fixed in:0:140.4.0-4.el7_9RHSA-2025:19278

Fixed in:0:140.4.0-4.el7_9.ppc64RHSA-2025:19278

Fixed in:0:140.4.0-4.el7_9RHSA-2025:19278

Fixed in:0:140.4.0-3.el8_4RHSA-2025:21055

Fixed in:0:140.4.0-3.el8_2RHSA-2025:21054

Fixed in:0:140.4.0-3.el8_8RHSA-2025:21057

Fixed in:0:140.4.0-3.el8_10RHSA-2025:18285

Fixed in:0:140.4.0-3.el8_8RHSA-2025:21057

Fixed in:0:140.4.0-3.el8_10RHSA-2025:18285

Fixed in:0:140.4.0-3.el8_6RHSA-2025:21056

Fixed in:0:140.4.0-3.el8_8RHSA-2025:21057

Fixed in:0:140.4.0-3.el8_2RHSA-2025:21054

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_0RHSA-2025:21058

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_0RHSA-2025:21058

Fixed in:0:140.4.0-3.el9_4RHSA-2025:21059

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

firefox-debuginfoRocky

Fixed in:0:140.4.0-3.el10_0RHSA-2025:18154

Fixed in:0:140.4.0-4.el7_9.ppc64RHSA-2025:19278

Fixed in:0:140.4.0-4.el7_9RHSA-2025:19278

Fixed in:0:140.4.0-3.el8_8RHSA-2025:21057

Fixed in:0:140.4.0-3.el8_10RHSA-2025:18285

Fixed in:0:140.4.0-3.el8_6RHSA-2025:21056

Fixed in:0:140.4.0-3.el8_10RHSA-2025:18285

Fixed in:0:140.4.0-3.el8_6RHSA-2025:21056

Fixed in:0:140.4.0-3.el8_4RHSA-2025:21055

Fixed in:0:140.4.0-3.el8_2RHSA-2025:21054

Fixed in:0:140.4.0-3.el8_8RHSA-2025:21057

Fixed in:0:140.4.0-3.el8_6RHSA-2025:21056

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

Fixed in:0:140.4.0-3.el9_0RHSA-2025:21058

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_4RHSA-2025:21059

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

firefox-debuginfoRed Hat / RHEL

Fixed in:0:140.4.0-3.el10_0RHSA-2025:18154

Fixed in:0:140.4.0-4.el7_9RHSA-2025:19278

Fixed in:0:140.4.0-4.el7_9.ppc64RHSA-2025:19278

Fixed in:0:140.4.0-3.el8_10RHSA-2025:18285

Fixed in:0:140.4.0-3.el8_8RHSA-2025:21057

Fixed in:0:140.4.0-3.el8_10RHSA-2025:18285

Fixed in:0:140.4.0-3.el8_2RHSA-2025:21054

Fixed in:0:140.4.0-3.el8_4RHSA-2025:21055

Fixed in:0:140.4.0-3.el8_6RHSA-2025:21056

Fixed in:0:140.4.0-3.el8_8RHSA-2025:21057

Fixed in:0:140.4.0-3.el8_6RHSA-2025:21056

Fixed in:0:140.4.0-3.el8_10RHSA-2025:18285

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_4RHSA-2025:21059

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

Fixed in:0:140.4.0-3.el9_0RHSA-2025:21058

firefox-debugsourceRed Hat / RHEL

Fixed in:0:140.4.0-3.el10_0RHSA-2025:18154

Fixed in:0:140.4.0-3.el8_4RHSA-2025:21055

Fixed in:0:140.4.0-3.el8_6RHSA-2025:21056

Fixed in:0:140.4.0-3.el8_10RHSA-2025:18285

Fixed in:0:140.4.0-3.el8_8RHSA-2025:21057

Fixed in:0:140.4.0-3.el8_10RHSA-2025:18285

Fixed in:0:140.4.0-3.el8_6RHSA-2025:21056

Fixed in:0:140.4.0-3.el8_8RHSA-2025:21057

Fixed in:0:140.4.0-3.el8_6RHSA-2025:21056

Fixed in:0:140.4.0-3.el8_10RHSA-2025:18285

Fixed in:0:140.4.0-3.el8_2RHSA-2025:21054

Fixed in:0:140.4.0-3.el9_4RHSA-2025:21059

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

Fixed in:0:140.4.0-3.el9_0RHSA-2025:21058

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_0RHSA-2025:21058

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_0RHSA-2025:21058

Fixed in:0:140.4.0-3.el9_4RHSA-2025:21059

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

Fixed in:0:140.4.0-3.el9_4RHSA-2025:21059

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

firefox-debugsourceRocky

Fixed in:0:140.4.0-3.el10_0RHSA-2025:18154

Fixed in:0:140.4.0-3.el8_6RHSA-2025:21056

Fixed in:0:140.4.0-3.el8_10RHSA-2025:18285

Fixed in:0:140.4.0-3.el8_8RHSA-2025:21057

Fixed in:0:140.4.0-3.el8_10RHSA-2025:18285

Fixed in:0:140.4.0-3.el8_6RHSA-2025:21056

Fixed in:0:140.4.0-3.el8_2RHSA-2025:21054

Fixed in:0:140.4.0-3.el8_8RHSA-2025:21057

Fixed in:0:140.4.0-3.el8_4RHSA-2025:21055

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

Fixed in:0:140.4.0-3.el9_0RHSA-2025:21058

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

Fixed in:0:140.4.0-3.el9_0RHSA-2025:21058

Fixed in:0:140.4.0-3.el9_4RHSA-2025:21059

Fixed in:0:140.4.0-3.el9_0RHSA-2025:21058

Fixed in:0:140.4.0-3.el9_4RHSA-2025:21059

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

Fixed in:0:140.4.0-3.el9_4RHSA-2025:21059

Fixed in:0:140.4.0-3.el9_0RHSA-2025:21058

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

firefox-x11Rocky

Fixed in:0:140.4.0-3.el9_4RHSA-2025:21059

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_4RHSA-2025:21059

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

firefox-x11Red Hat / RHEL

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_4RHSA-2025:21059

Fixed in:0:140.4.0-3.el9_6RHSA-2025:18155

Fixed in:0:140.4.0-3.el9_2RHSA-2025:21064

thunderbirdRed Hat / RHEL

Fixed in:0:140.4.0-2.el10_0RHSA-2025:18320

Fixed in:0:140.4.0-2.el8_2RHSA-2025:19938

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_4RHSA-2025:19939

Fixed in:0:140.4.0-2.el8_8RHSA-2025:19942

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_4RHSA-2025:19939

Fixed in:0:140.4.0-2.el8_8RHSA-2025:19942

Fixed in:0:140.4.0-2.el9_0RHSA-2025:19943

Fixed in:0:140.4.0-2.el9_6RHSA-2025:18321

Fixed in:0:140.4.0-2.el9_4RHSA-2025:19945

Fixed in:0:140.4.0-2.el9_2RHSA-2025:19944

Fixed in:0:140.4.0-2.el9_0RHSA-2025:19943

thunderbirdRocky

Fixed in:0:140.4.0-2.el10_0RHSA-2025:18320

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_2RHSA-2025:19938

Fixed in:0:140.4.0-2.el8_4RHSA-2025:19939

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_8RHSA-2025:19942

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_4RHSA-2025:19939

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el9_6RHSA-2025:18321

Fixed in:0:140.4.0-2.el9_4RHSA-2025:19945

Fixed in:0:140.4.0-2.el9_2RHSA-2025:19944

Fixed in:0:140.4.0-2.el9_0RHSA-2025:19943

thunderbird-debuginfoRed Hat / RHEL

Fixed in:0:140.4.0-2.el10_0RHSA-2025:18320

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_4RHSA-2025:19939

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_8RHSA-2025:19942

Fixed in:0:140.4.0-2.el8_2RHSA-2025:19938

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_8RHSA-2025:19942

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el9_2RHSA-2025:19944

Fixed in:0:140.4.0-2.el9_4RHSA-2025:19945

Fixed in:0:140.4.0-2.el9_0RHSA-2025:19943

Fixed in:0:140.4.0-2.el9_4RHSA-2025:19945

Fixed in:0:140.4.0-2.el9_6RHSA-2025:18321

thunderbird-debuginfoRocky

Fixed in:0:140.4.0-2.el10_0RHSA-2025:18320

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_4RHSA-2025:19939

Fixed in:0:140.4.0-2.el8_2RHSA-2025:19938

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_8RHSA-2025:19942

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_8RHSA-2025:19942

Fixed in:0:140.4.0-2.el9_4RHSA-2025:19945

Fixed in:0:140.4.0-2.el9_2RHSA-2025:19944

Fixed in:0:140.4.0-2.el9_4RHSA-2025:19945

Fixed in:0:140.4.0-2.el9_0RHSA-2025:19943

Fixed in:0:140.4.0-2.el9_6RHSA-2025:18321

thunderbird-debugsourceRocky

Fixed in:0:140.4.0-2.el10_0RHSA-2025:18320

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_8RHSA-2025:19942

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_8RHSA-2025:19942

Fixed in:0:140.4.0-2.el8_4RHSA-2025:19939

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_2RHSA-2025:19938

Fixed in:0:140.4.0-2.el9_4RHSA-2025:19945

Fixed in:0:140.4.0-2.el9_0RHSA-2025:19943

Fixed in:0:140.4.0-2.el9_2RHSA-2025:19944

Fixed in:0:140.4.0-2.el9_6RHSA-2025:18321

Fixed in:0:140.4.0-2.el9_4RHSA-2025:19945

Fixed in:0:140.4.0-2.el9_2RHSA-2025:19944

Fixed in:0:140.4.0-2.el9_4RHSA-2025:19945

Fixed in:0:140.4.0-2.el9_6RHSA-2025:18321

thunderbird-debugsourceRed Hat / RHEL

Fixed in:0:140.4.0-2.el10_0RHSA-2025:18320

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_2RHSA-2025:19938

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_4RHSA-2025:19939

Fixed in:0:140.4.0-2.el8_8RHSA-2025:19942

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_8RHSA-2025:19942

Fixed in:0:140.4.0-2.el8_10RHSA-2025:18983

Fixed in:0:140.4.0-2.el8_6RHSA-2025:19941

Fixed in:0:140.4.0-2.el9_4RHSA-2025:19945

Fixed in:0:140.4.0-2.el9_0RHSA-2025:19943

Fixed in:0:140.4.0-2.el9_6RHSA-2025:18321

Fixed in:0:140.4.0-2.el9_0RHSA-2025:19943

Fixed in:0:140.4.0-2.el9_6RHSA-2025:18321

Fixed in:0:140.4.0-2.el9_0RHSA-2025:19943

Fixed in:0:140.4.0-2.el9_6RHSA-2025:18321

Fixed in:0:140.4.0-2.el9_4RHSA-2025:19945

Fixed in:0:140.4.0-2.el9_2RHSA-2025:19944

thunderbirdUbuntu

Fixed in:1:140.7.1+build1-0ubuntu0.22.04.1USN-7991-1

DeveloperEditionWindows application

Affected:144.0Fixed in:144.0Mozilla

Affected:140.4.0Fixed in:140.4.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:140.4.0Fixed in:140.4.0Mozilla

Affected:144.0Fixed in:144.0Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:140.4.0Fixed in:140.4.0Mozilla

Affected:141.0 144.0Fixed in:144.0Mozilla

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

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

0.25%probability of exploitation in 30 days

16thpercentile

Low risk: more likely to be exploited than 16% of all known CVEs.

References

Vendor Advisory4

Issue Tracking1

bugzilla.mozilla.org

Other references2

Related Vulnerabilities

Other CWE-116 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-38475	Critical	9.1	100%	KEV	Fix
CVE-2022-36446	Critical	9.8	96%	-	Fix
CVE-2021-31806	Medium	6.5	96%	-	Fix
CVE-2022-30781	High	7.5	88%	-	Fix
CVE-2022-36099	Critical	9.9	76%	-	Fix
CVE-2022-36100	Critical	9.9	74%	-	Fix

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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 2026-04-13.