CVE-2026-92051 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
mozilla	CNA	9.1 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 44.88%

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).

Vendor	Product	Version	Source
mozilla	firefox	𝑥 < 156.0.0	CNA
mozilla	thunderbird	𝑥 < 156.0	CNA

Debian Releases

Debian Product

Codename

firefox

sid	159.0-1 fixed

Ubuntu Releases

Ubuntu Product

Codename

firefox

jammy	not-affected
noble	not-affected
resolute	not-affected

thunderbird

jammy	needed
noble	not-affected
resolute	not-affected

mozjs38

bionic	needs-triage
jammy	dne
noble	dne
resolute	dne

mozjs52

bionic	ignored
focal	ignored
jammy	dne
noble	dne
resolute	dne

mozjs68

focal	ignored
jammy	dne
noble	dne
resolute	dne

mozjs78

jammy	ignored
noble	dne
resolute	dne

mozjs91

jammy	ignored
noble	dne
resolute	dne

mozjs102

jammy	ignored
noble	ignored
resolute	dne

mozjs115

jammy	dne
noble	ignored
resolute	dne

Common Weakness Enumeration

CWE-476 - NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Vulnerability Media Exposure

[GERMAN] Mozilla Firefox und Thunderbird: Mehrere Schwachstellen
Ein Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Firefox ESR und Thunderbird ausnutzen, um seine Privilegien zu erhöhen, Sicherheitsmaßnahmen zu umgehen, Daten offenzulegen oder zu manipulieren, den Speicher zu beschädigen, Denial-of-Service-Zustände zu verursachen oder andere, nicht näher spezifizierte Angriffe durchzuführen.
Published: 2026-09-15T22:00:00+00:00

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2061393

https://www.mozilla.org/security/advisories/mfsa2026-90/

https://www.mozilla.org/security/advisories/mfsa2026-94/