CVE-2026-0878

HIGH

8.0

Beschreibung

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.

CVE Details

CVSS v3.1 Bewertung8.0

SchweregradHIGH

CVSS VektorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

AngriffsvektorNETWORK

KomplexitatHIGH

Erforderliche PrivilegienNONE

BenutzerinteraktionREQUIRED

Veroffentlicht1/13/2026

Zuletzt geandert1/22/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

mozilla:firefoxmozilla:thunderbird

Schwachen (CWE)

CWE-20CWE-119

Referenzen

https://bugzilla.mozilla.org/show_bug.cgi?id=2003989(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-01/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-03/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-04/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-05/(security@mozilla.org)

IOC Korrelationen

Keine Korrelationen erfasst

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