CVE-2024-3855 — Out-of-bounds Read in Mozilla Firefox

CWE-125 — Out-of-bounds Read12 documents8 sources
Severity
6.5MEDIUMNVD
OSV4.7OSV3.7
EPSS
0.2%
top 62.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Mozilla Firefox
Timeline
PublishedApr 16
Latest updateJan 15

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5mozilla/firefoxunspecified — 125
▶NVDmozilla/firefox< 125.0
▶Ubuntumozilla/firefox< 125.0.3+build1-0ubuntu0.20.04.1+1

🔴Vulnerability Details

6
OSV
linux-raspi-5.4 vulnerabilities↗2025-01-15
▶
OSV
firefox regressions↗2024-05-02
▶
OSV
firefox vulnerabilities↗2024-04-24
▶
GHSA
GHSA-xc8j-mr73-m6wv: In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads↗2024-04-16
▶
OSV
CVE-2024-3855: In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads↗2024-04-16
▶

📋Vendor Advisories

4
Ubuntu
Firefox regressions↗2024-05-02
▶
Ubuntu
Firefox vulnerabilities↗2024-04-24
▶
Debian
CVE-2024-3855: firefox - In certain cases the JIT incorrectly optimized MSubstr operations, which led to ...↗2024
▶
Mozilla
Mozilla Foundation Security Advisory 2024-18: CVE-2024-3855↗
▶

💬Community

1
Bugzilla
CVE-2023-52639 kernel: KVM: s390: vsie: fix race during shadow creation↗2024-04-03
▶
CVE-2024-3855 — Out-of-bounds Read in Mozilla Firefox | cvebase