CVE-2024-3864

Mozilla: Memory safety bug fixed in Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10

Published Apr 16, 2024 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3790-1 firefox-esr security update
Debian DLA Debian DLA DLA-3791-1 thunderbird security update
Debian DSA Debian DSA DSA-5663-1 firefox-esr security update
Debian DSA Debian DSA DSA-5670-1 thunderbird security update
Ubuntu USN Ubuntu USN USN-6747-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-6750-1 Thunderbird vulnerabilities
History
Type Values Removed Values Added
First Time appeared Debian
Debian debian Linux
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Vendors & Products Debian
Debian debian Linux
Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Mozilla firefox Esr
Mozilla thunderbird
Weaknesses CWE-119
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 firefox Esr
Mozilla thunderbird
Metrics ssvc

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

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Mar 28, 2025, 11:27 PM
Reserved
Apr 15, 2024, 8:27 PM
Status
Analyzed
Published
Apr 16, 2024, 4:15 PM
Modified
Jun 17, 2026, 7:45 AM
Severity
Important
Public date
Apr 16, 2024, 12:00 AM