by Kastro
Paper/Archive/CVE-2026-2806

CVE-2026-2806

Mozilla Firefox — Uninitialized memory in the Graphics: Text component

EPSS 0.4%CVSS 9.1
critical.is priorityof 100
35
CVSS 9.1 (ADP, NVD agree)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 39.1.391 × 207.8No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Uninitialized memory in the Graphics: Text component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Affected

ProductAffectedFixed inSource
Firefoxsee advisory148CNA
Thunderbirdsee advisory148CNA

Scores by source

CISA ADP9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

refbugzilla.mozilla.org/show_bug.cgi?id=2006199refmozilla.org/security/advisories/mfsa2026-13refmozilla.org/security/advisories/mfsa2026-16