CVE-2026-8949 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	7.5 HIGH	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Awaiting analysis

This vulnerability is currently awaiting analysis.

Base Score

CVSS 3.x

EPSS Score

Percentile: Unknown

Debian Releases

Debian Product

Codename

firefox

sid	151.0-1 fixed

firefox-esr

bookworm	140.10.2esr-1~deb12u1 fixed
bookworm (security)	140.10.2esr-1~deb12u1 fixed
bullseye	115.14.0esr-1~deb11u1 fixed
bullseye (security)	140.10.2esr-1~deb11u1 fixed
forky	140.10.2esr-1 fixed
sid	140.11.0esr-1 fixed
trixie	140.10.2esr-1~deb13u1 fixed
trixie (security)	140.10.2esr-1~deb13u1 fixed

thunderbird

bookworm	1:140.10.1esr-1~deb12u1 fixed
bookworm (security)	1:140.10.2esr-1~deb12u1 fixed
bullseye	1:115.12.0-1~deb11u1 fixed
bullseye (security)	1:140.10.2esr-1~deb11u1 fixed
forky	1:140.10.2esr-1 fixed
sid	1:140.10.2esr-1 fixed
trixie	1:140.10.1esr-1~deb13u1 fixed
trixie (security)	1:140.10.2esr-1~deb13u1 fixed

Common Weakness Enumeration

CWE-190 - Integer Overflow or Wraparound
The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.

Vulnerability Media Exposure

[GERMAN] Mozilla Firefox und Thunderbird: Mehrere Schwachstellen
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird ausnutzen, um beliebigen Code auszuführen, um Informationen offenzulegen, Sicherheitsbeschränkungen zu umgehen (z. B. Sandbox-Escape), den Benutzer zu täuschen, Berechtigungen zu eskalieren oder einen Denial-of-Service-Zustand herbeizuführen.
Published: 2026-05-19T22:00:00+00:00

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1355639

https://www.mozilla.org/security/advisories/mfsa2026-46/

https://www.mozilla.org/security/advisories/mfsa2026-48/

https://www.mozilla.org/security/advisories/mfsa2026-50/

https://www.mozilla.org/security/advisories/mfsa2026-51/