CVE-2024-3855 - Vulnerability Details - OpenCVE

In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox < 125.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Mozilla	Firefox

Configuration 1 [-]

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

No data.

References

Link	Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=1885828
https://www.mozilla.org/security/advisories/mfsa2024-18/

History

Mon, 31 Mar 2025 17:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Mozilla Mozilla firefox
CPEs		cpe:2.3:a:mozilla:firefox::::::::
Vendors & Products		Mozilla Mozilla firefox

Tue, 12 Nov 2024 19:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-125
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2024-04-16T15:14:06.282Z

Updated: 2024-11-12T18:09:10.060Z

Reserved: 2024-04-15T20:26:43.183Z

Link: CVE-2024-3855

Vulnrichment

Updated: 2024-08-01T20:26:56.942Z

NVD

Status : Analyzed

Published: 2024-04-16T16:15:08.487

Modified: 2025-03-31T17:05:19.390

Link: CVE-2024-3855

Redhat

No data.

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