In an out-of-memory scenario an allocation could fail but free would have been called on the pointer afterwards leading to memory corruption. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-5727-1 firefox-esr security update
Debian DSA Debian DSA DSA-5733-1 thunderbird security update
Ubuntu USN Ubuntu USN USN-6890-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-6903-1 Thunderbird vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 30 Oct 2025 17:15:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla firefox Esr
CPEs cpe:2.3:a:mozilla:firefox:-:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Vendors & Products Mozilla firefox Esr
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 30 Oct 2025 16:30:00 +0000

Type Values Removed Values Added
Title Mozilla: Memory corruption in thread creation Memory corruption in thread creation

Fri, 04 Apr 2025 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Mozilla thunderbird
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Vendors & Products Mozilla
Mozilla firefox
Mozilla thunderbird

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2025-10-30T16:14:59.829Z

Reserved: 2024-07-09T14:12:56.417Z

Link: CVE-2024-6603

cve-icon Vulnrichment

Updated: 2024-08-01T21:41:04.040Z

cve-icon NVD

Status : Analyzed

Published: 2024-07-09T15:15:12.533

Modified: 2025-04-04T14:43:16.317

Link: CVE-2024-6603

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-07-09T00:00:00Z

Links: CVE-2024-6603 - Bugzilla

cve-icon OpenCVE Enrichment

No data.