CVE-2026-12329 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	5.3 MEDIUM	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Base Score

CVSS 3.x

EPSS Score

Percentile: Unknown

Affected Products (NVD)

Vendor	Product	Version
mozilla	firefox_esr	140.0 ≤ 𝑥 < 140.12.0
mozilla	thunderbird_esr	140.0 ≤ 𝑥 < 140.12.0

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

firefox-esr

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

thunderbird

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

Common Weakness Enumeration

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2044738

https://www.mozilla.org/security/advisories/mfsa2026-58/

https://www.mozilla.org/security/advisories/mfsa2026-61/