CVE-2024-3857 — Use After Free in Mozilla Firefox

CWE-416 — Use After Free11 documents8 sources
Severity
7.8HIGHNVD
EPSS
0.1%
top 66.64%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird+1 more
Timeline
PublishedApr 16
Latest updateApr 25

Description

The JIT created incorrect code for arguments in certain cases. This led to potential use-after-free crashes during garbage collection. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages6 packages

▶CVEListV5mozilla/firefoxunspecified — 125
▶NVDmozilla/firefox< 115.10+1
▶CVEListV5mozilla/firefox_esrunspecified — 115.10
▶CVEListV5mozilla/thunderbirdunspecified — 115.10
▶NVDmozilla/thunderbird< 115.10

Also affects: Debian Linux 10.0

🔴Vulnerability Details

3
OSV
CVE-2024-3857: The JIT created incorrect code for arguments in certain cases↗2024-04-16
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CVEList
CVE-2024-3857: The JIT created incorrect code for arguments in certain cases↗2024-04-16
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GHSA
GHSA-8564-m639-jh8r: The JIT created incorrect code for arguments in certain cases↗2024-04-16
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📋Vendor Advisories

7
Ubuntu
Thunderbird vulnerabilities↗2024-04-25
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Ubuntu
Firefox vulnerabilities↗2024-04-24
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Red Hat
Mozilla: Incorrect JITting of arguments led to use-after-free during garbage collection↗2024-04-16
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Debian
CVE-2024-3857: firefox - The JIT created incorrect code for arguments in certain cases. This led to poten...↗2024
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Mozilla
Mozilla Foundation Security Advisory 2024-20: CVE-2024-3857↗
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CVE-2024-3857 — Use After Free in Mozilla Firefox | cvebase