CVE-2026-113399

Incorrect boundary conditions in the SVG component. This vulnerability was fixed in Firefox 158.0.1 and Thunderbird 158.0.1.

EPSS

0.2% chance of exploitation in the next 30 days; higher than 7% of CVEs (scores of 2026-10-25)

Published

2026-10-20

Modified

2026-10-20

Record from

the NVD, synced 2026-10-21

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=2079938
• https://www.mozilla.org/security/advisories/mfsa2026-111/
• https://www.mozilla.org/security/advisories/mfsa2026-114/

Check your stackJSON