CVE-2025-5271 :: Enginsight Vulnerability Database

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

Base Score

CVSS 3.x

EPSS Score

Percentile: 10%

Vendor	Product	Version
mozilla	firefox	𝑥 < 139.0

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

firefox

sid	139.0-1 fixed

Ubuntu Releases

Ubuntu Product

Codename

firefox

plucky	not-affected
oracular	not-affected
noble	not-affected
jammy	not-affected
focal	needed

mozjs102

plucky	dne
oracular	dne
noble	ignored
jammy	ignored
focal	dne

mozjs115

plucky	ignored
oracular	ignored
noble	ignored
jammy	dne
focal	dne

mozjs38

plucky	dne
oracular	dne
noble	dne
jammy	dne
focal	dne
bionic	needs-triage

mozjs52

plucky	dne
oracular	dne
noble	dne
jammy	dne
focal	ignored
bionic	ignored

mozjs68

plucky	dne
oracular	dne
noble	dne
jammy	dne
focal	ignored

mozjs78

plucky	dne
oracular	dne
noble	dne
jammy	ignored
focal	dne

mozjs91

plucky	dne
oracular	dne
noble	dne
jammy	ignored
focal	dne

thunderbird

plucky	not-affected
oracular	not-affected
noble	not-affected
jammy	needed
focal	needed

Common Weakness Enumeration

CWE-116 - Improper Encoding or Escaping of Output
The software prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.

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 Programmcode auszuführen, einen Denial-of-Service auszulösen, Sicherheitsvorkehrungen zu umgehen oder Informationen offenzulegen.
Published: 2025-05-27T22:00:00+00:00

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1920348

https://www.mozilla.org/security/advisories/mfsa2025-42/