CVE-2024-3855

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2024-3855
In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox < 125.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1885828 Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2024-18/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1885828 Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2024-18/ Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
History

31 Mar 2025, 17:05

Type Values Removed Values Added
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1885828 - () https://bugzilla.mozilla.org/show_bug.cgi?id=1885828 - Issue Tracking
References () https://www.mozilla.org/security/advisories/mfsa2024-18/ - () https://www.mozilla.org/security/advisories/mfsa2024-18/ - Vendor Advisory
First Time Mozilla firefox
Mozilla
CPE cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

21 Nov 2024, 09:30

Type Values Removed Values Added
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1885828 - () https://bugzilla.mozilla.org/show_bug.cgi?id=1885828 -
References () https://www.mozilla.org/security/advisories/mfsa2024-18/ - () https://www.mozilla.org/security/advisories/mfsa2024-18/ -

12 Nov 2024, 19:35

Type Values Removed Values Added
CWE CWE-125
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 6.5

17 Apr 2024, 12:48

Type Values Removed Values Added
Summary
  • (es) En ciertos casos, el JIT optimizó incorrectamente las operaciones de MSubstr, lo que provocó lecturas fuera de los límites. Esta vulnerabilidad afecta a Firefox &lt; 125.

16 Apr 2024, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-04-16 16:15

Updated : 2025-03-31 17:05

NVD link : CVE-2024-3855

Mitre link : CVE-2024-3855

CVE.ORG link : CVE-2024-3855

JSON object : View

Products Affected

mozilla

  • firefox
CWE
CWE-125

Out-of-bounds Read