CVE-2024-3856 — Use After Free in Mozilla Firefox

CWE-416 — Use After Free10 documents7 sources
Severity
8.8HIGHNVD
OSV3.7
EPSS
0.3%
top 42.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Mozilla Firefox
Timeline
PublishedApr 16
Latest updateMay 2

Description

A use-after-free could occur during WASM execution if garbage collection ran during the creation of an array. This vulnerability affects Firefox < 125.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages3 packages

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

🔴Vulnerability Details

5
OSV
firefox regressions↗2024-05-02
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OSV
firefox vulnerabilities↗2024-04-24
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GHSA
GHSA-hjxq-w2ww-jfj3: A use-after-free could occur during WASM execution if garbage collection ran during the creation of an array↗2024-04-16
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OSV
CVE-2024-3856: A use-after-free could occur during WASM execution if garbage collection ran during the creation of an array↗2024-04-16
▶
CVEList
CVE-2024-3856: A use-after-free could occur during WASM execution if garbage collection ran during the creation of an array↗2024-04-16
▶

📋Vendor Advisories

4
Ubuntu
Firefox regressions↗2024-05-02
▶
Ubuntu
Firefox vulnerabilities↗2024-04-24
▶
Debian
CVE-2024-3856: firefox - A use-after-free could occur during WASM execution if garbage collection ran dur...↗2024
▶
Mozilla
Mozilla Foundation Security Advisory 2024-18: CVE-2024-3856↗
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CVE-2024-3856 — Use After Free in Mozilla Firefox | cvebase