CVE-2026-74951 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
mozilla	CNA	6.5 MEDIUM	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Base Score

CVSS 3.x

EPSS Score

Percentile: 18.06%

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
mozilla	firefox	𝑥 < 154	CNA

Debian Releases

Debian Product

Codename

firefox

sid	156.0-1 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

openSUSE / SLES Releases

openSUSE Product

Release

MozillaFirefox

suse enterprise desktop 15 SP7	140.14.0-150200.152.251.1 fixed
suse enterprise sap 12 SP5	140.14.0-112.327.1 fixed
suse enterprise sap 15 SP4	140.14.0-150200.152.251.1 fixed
suse enterprise sap 15 SP5	140.14.0-150200.152.251.1 fixed
suse enterprise sap 15 SP6	140.14.0-150200.152.251.1 fixed
suse enterprise sap 15 SP7	140.14.0-150200.152.251.1 fixed
suse enterprise server 12 SP3	140.14.0-112.327.1 fixed
suse enterprise server 12 SP5	140.14.0-112.327.1 fixed
suse enterprise server 15 SP4	140.14.0-150200.152.251.1 fixed
suse enterprise server 15 SP5	140.14.0-150200.152.251.1 fixed
suse enterprise server 15 SP6	140.14.0-150200.152.251.1 fixed
suse enterprise server 15 SP7	140.14.0-150200.152.251.1 fixed

MozillaFirefox-devel

suse enterprise desktop 15 SP7	140.14.0-150200.152.251.1 fixed
suse enterprise sap 12 SP5	140.14.0-112.327.1 fixed
suse enterprise sap 15 SP4	140.14.0-150200.152.251.1 fixed
suse enterprise sap 15 SP5	140.14.0-150200.152.251.1 fixed
suse enterprise sap 15 SP6	140.14.0-150200.152.251.1 fixed
suse enterprise sap 15 SP7	140.14.0-150200.152.251.1 fixed
suse enterprise server 12 SP3	140.14.0-112.327.1 fixed
suse enterprise server 12 SP5	140.14.0-112.327.1 fixed
suse enterprise server 15 SP4	140.14.0-150200.152.251.1 fixed
suse enterprise server 15 SP5	140.14.0-150200.152.251.1 fixed
suse enterprise server 15 SP6	140.14.0-150200.152.251.1 fixed
suse enterprise server 15 SP7	140.14.0-150200.152.251.1 fixed

MozillaFirefox-translations-common

suse enterprise desktop 15 SP7	140.14.0-150200.152.251.1 fixed
suse enterprise sap 12 SP5	140.14.0-112.327.1 fixed
suse enterprise sap 15 SP4	140.14.0-150200.152.251.1 fixed
suse enterprise sap 15 SP5	140.14.0-150200.152.251.1 fixed
suse enterprise sap 15 SP6	140.14.0-150200.152.251.1 fixed
suse enterprise sap 15 SP7	140.14.0-150200.152.251.1 fixed
suse enterprise server 12 SP3	140.14.0-112.327.1 fixed
suse enterprise server 12 SP5	140.14.0-112.327.1 fixed
suse enterprise server 15 SP4	140.14.0-150200.152.251.1 fixed
suse enterprise server 15 SP5	140.14.0-150200.152.251.1 fixed
suse enterprise server 15 SP6	140.14.0-150200.152.251.1 fixed
suse enterprise server 15 SP7	140.14.0-150200.152.251.1 fixed

MozillaFirefox-translations-other

suse enterprise desktop 15 SP7	140.14.0-150200.152.251.1 fixed
suse enterprise sap 15 SP4	140.14.0-150200.152.251.1 fixed
suse enterprise sap 15 SP5	140.14.0-150200.152.251.1 fixed
suse enterprise sap 15 SP6	140.14.0-150200.152.251.1 fixed
suse enterprise sap 15 SP7	140.14.0-150200.152.251.1 fixed
suse enterprise server 15 SP4	140.14.0-150200.152.251.1 fixed
suse enterprise server 15 SP5	140.14.0-150200.152.251.1 fixed
suse enterprise server 15 SP6	140.14.0-150200.152.251.1 fixed
suse enterprise server 15 SP7	140.14.0-150200.152.251.1 fixed

Common Weakness Enumeration

CWE-1021 - Improper Restriction of Rendered UI Layers or Frames
The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another application or domain, which can lead to user confusion about which interface the user is interacting with.

Vulnerability Media Exposure

[GERMAN] Mozilla Firefox, Firefox ESR 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, vertrauliche Informationen offenzulegen, Spoofing- oder Clickjacking-Angriffe durchzuführen oder Denial-of-Service-Zustände herbeizuführen.
Published: 2026-08-18T22:00:00+00:00

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1978587

https://www.mozilla.org/security/advisories/mfsa2026-74/