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CVE-2024-9400 Details

Description

A potential memory corruption vulnerability could be triggered if an attacker had the ability to trigger an OOM at a specific moment during JIT compilation. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=1915249	[email protected]	Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2024-46/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-47/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-49/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-50/	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	CISA-ADP

Affected Products

Product	Versions
mozilla firefox	< 128.3.0 < 131.0
CPE cpe:2.3:a:mozilla:firefox:::::esr:::* cpe:2.3:a:mozilla:firefox:::::::: Remediation No remediation found in references.
mozilla thunderbird	< 128.3.0 >= 129.0, < 131.0
CPE cpe:2.3:a:mozilla:thunderbird:::::::: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 4, 2025	Initial Analysis	[email protected]
Oct 1, 2024	CVE Modified	CISA-ADP
Oct 1, 2024	New CVE Received	[email protected]