Paper/Archive/CVE-2026-92051

CVE-2026-92051

Mozilla Firefox — Spoofing issue due to invalid pointer in the Graphics component

EPSS 0.5%CVSS 9.1

critical.is priorityof 100

36

CVSS 9.1 (ADP)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 44.9.449 × 209.0 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

Spoofing issue due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.

Affected

ProductAffectedFixed inSource

Firefoxsee advisory156CNA

Thunderbirdsee advisory156CNA

Scores by source

CISA ADP9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refbugzilla.mozilla.org/show_bug.cgi?id=2061393 refmozilla.org/security/advisories/mfsa2026-90 refmozilla.org/security/advisories/mfsa2026-94