VULNERABILITY INTELLIGENCE

CVE-2024-29943

CVSS score9.8 CRITICAL

EPSS probability22.93%

CISA KEVNot currently listed

Published2024-03-22

Last modified2026-06-17

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

Description

An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-based bounds check elimination. This vulnerability affects Firefox < 124.0.1.

Weakness classification

CWE-125: Out-of-bounds Read
CWE-787: Out-of-bounds Write

Primary references

security@mozilla.org — Mailing List, Third Party Advisory
security@mozilla.org — Issue Tracking
security@mozilla.org — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory