CVE-2026-2796 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	9.8 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 47.12%

Affected Products (NVD)

Vendor	Product	Version
mozilla	firefox	𝑥 < 148.0
mozilla	thunderbird	𝑥 < 148.0

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

firefox

sid	154.0-1 fixed

Ubuntu Releases

Ubuntu Product

Codename

firefox

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

mozjs102

jammy	ignored
noble	ignored
questing	dne
resolute	dne

mozjs115

jammy	dne
noble	ignored
questing	dne
resolute	dne

mozjs38

bionic	needs-triage
jammy	dne
noble	dne
questing	dne
resolute	dne

mozjs52

bionic	ignored
focal	ignored
jammy	dne
noble	dne
questing	dne
resolute	dne

mozjs68

focal	ignored
jammy	dne
noble	dne
questing	dne
resolute	dne

mozjs78

jammy	ignored
noble	dne
questing	dne
resolute	dne

mozjs91

jammy	ignored
noble	dne
questing	dne
resolute	dne

thunderbird

jammy	needed
noble	not-affected
questing	not-affected
resolute	not-affected

Common Weakness Enumeration

CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
The program allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2013165

https://www.mozilla.org/security/advisories/mfsa2026-13/

https://www.mozilla.org/security/advisories/mfsa2026-16/

https://access.redhat.com/security/cve/CVE-2026-2796

https://bugzilla.redhat.com/show_bug.cgi?id=2442301

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2796.json