CVE-2026-117920

Use-after-free in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.

Published

2026-10-27

Modified

2026-10-27

Record from

the NVD, synced 2026-10-27

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=2079681
• https://www.mozilla.org/security/advisories/mfsa2026-118/
• https://www.mozilla.org/security/advisories/mfsa2026-120/

Check your stackJSON