CVE-2026-124882
Use-after-free in the CSS Parsing and Computation component
cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-124882
PublishedUse-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.
Read the publisher's advisoryAffected versions, risk and source history
Related advisories and sources
Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.
CVE-2026-124882 · CVE overview and exploitation status
cve-program · CVE-2026-124882
- https://bugzilla.mozilla.org/show_bug.cgi?id=2081982
- https://www.mozilla.org/security/advisories/mfsa2026-125/
- https://www.mozilla.org/security/advisories/mfsa2026-126/
- https://www.mozilla.org/security/advisories/mfsa2026-127/
- https://www.mozilla.org/security/advisories/mfsa2026-128/
- https://www.mozilla.org/security/advisories/mfsa2026-129/
Related changes
Linked by CVE identifier- Use-after-free in the CSS Parsing and Computation component · Affected-version evidence changed · 10 Nov 2026
- Use-after-free in the CSS Parsing and Computation component · Newly collected advisory · 10 Nov 2026
- Use-after-free in the CSS Parsing and Computation component · Affected-version evidence changed · 10 Nov 2026