CVE-2026-2447 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	8.8 HIGH	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA-ADP	ADP	8.8 HIGH	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 11%

Affected Products (NVD)

Vendor	Product	Version
mozilla	firefox	𝑥 < 115.32.1
mozilla	firefox	𝑥 < 147.0.4
mozilla	firefox	116.0 ≤ 𝑥 < 140.7.1
mozilla	thunderbird	𝑥 < 140.7.2
mozilla	thunderbird	141.0 ≤ 𝑥 < 147.0.2

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

firefox

sid	147.0.4-1 fixed

firefox-esr

bookworm	unimportant
bookworm (security)	unimportant
bullseye	unimportant
bullseye (security)	unimportant
forky	unimportant
sid	unimportant
trixie	unimportant
trixie (security)	unimportant

libvpx

bookworm	vulnerable
bookworm (security)	1.12.0-1+deb12u5 fixed
bullseye	vulnerable
bullseye (security)	vulnerable
forky	vulnerable
sid	1.16.0-3 fixed
trixie	vulnerable
trixie (security)	1.15.0-2.1+deb13u1 fixed

thunderbird

bookworm	unimportant
bookworm (security)	unimportant
bullseye	unimportant
bullseye (security)	unimportant
forky	unimportant
sid	unimportant
trixie	unimportant
trixie (security)	unimportant

Common Weakness Enumeration

CWE-122 - Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Vulnerability Media Exposure

[GERMAN] Mozilla Firefox, Firefox ESR und Thunderbird: Mehrere Schwachstellen
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird ausnutzen, um falsche Informationen darzustellen oder nicht näher spezifizierte Auswirkungen zu verursachen
Published: 2026-02-16T23:00:00+00:00

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2014390

https://www.mozilla.org/security/advisories/mfsa2026-10/

https://www.mozilla.org/security/advisories/mfsa2026-11/