CVE-2024-3862

MEDIUM

Firefox < 125.0 - Use of Uninitialized Memory in MarkStack Assignment Operator

Title source: llm

Description

The MarkStack assignment operator, part of the JavaScript engine, could access uninitialized memory if it were used in a self-assignment. This vulnerability affects Firefox < 125.

References (2)

Core 2

Core References

Issue Tracking

https://bugzilla.mozilla.org/show_bug.cgi?id=1884457

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2024-18/

Scores

CVSS v3 5.3

EPSS 0.0037

EPSS Percentile 28.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-908

Status published

Products (1)

mozilla/firefox < 125.0

Published Apr 16, 2024

Tracked Since Feb 18, 2026