CVE-2026-117990

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Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender 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=2079501
https://www.mozilla.org/security/advisories/mfsa2026-118/
https://www.mozilla.org/security/advisories/mfsa2026-120/

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