CVE-2024-9401

firefox: thunderbird: Memory safety bugs fixed in Firefox 131, Firefox ESR 115.16, Firefox ESR 128.3, Thunderbird 131, and Thunderbird 128.3

Published Oct 1, 2024 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
Memory safety bugs present in Firefox 130, Firefox ESR 115.15, Firefox ESR 128.2, and Thunderbird 128.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Firefox ESR < 115.16, Thunderbird < 128.3, and Thunderbird < 131.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3913-1 firefox-esr security update
Debian DLA Debian DLA DLA-3916-1 thunderbird security update
Debian DSA Debian DSA DSA-5783-1 firefox-esr security update
Debian DSA Debian DSA DSA-5789-1 thunderbird security update
Ubuntu USN Ubuntu USN USN-7056-1 Firefox vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Type Values Removed Values Added
CPEs cpe:/a:redhat:rhel_eus:8.8
Type Values Removed Values Added
First Time appeared Redhat rhel Els
Redhat rhel Tus
CPEs cpe:/a:redhat:enterprise_linux:8
cpe:/a:redhat:rhel_aus:8.4
cpe:/a:redhat:rhel_aus:8.6
cpe:/a:redhat:rhel_e4s:8.4
cpe:/a:redhat:rhel_e4s:8.6
cpe:/a:redhat:rhel_tus:8.4
cpe:/a:redhat:rhel_tus:8.6
cpe:/o:redhat:rhel_els:7
Vendors & Products Redhat rhel Els
Redhat rhel Tus
Type Values Removed Values Added
First Time appeared Redhat rhel Aus
Redhat rhel E4s
Redhat rhel Eus
CPEs cpe:/a:redhat:rhel_aus:8.2
cpe:/a:redhat:rhel_e4s:9.0
cpe:/a:redhat:rhel_eus:9.2
Vendors & Products Redhat rhel Aus
Redhat rhel E4s
Redhat rhel Eus
Type Values Removed Values Added
First Time appeared Redhat
Redhat enterprise Linux
CPEs cpe:/a:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Type Values Removed Values Added
Weaknesses CWE-120
Type Values Removed Values Added
Title firefox: thunderbird: Memory safety bugs fixed in Firefox 131, Firefox ESR 115.16, Firefox ESR 128.3, Thunderbird 131, and Thunderbird 128.3
References
Metrics threat_severity

None

threat_severity

Important

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 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'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Memory safety bugs present in Firefox 130, Firefox ESR 115.15, Firefox ESR 128.2, and Thunderbird 128.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Firefox ESR < 115.16, Thunderbird < 128.3, and Thunderbird < 131.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Nov 3, 2025, 10:33 PM
Reserved
Oct 1, 2024, 6:10 AM
Status
Modified
Published
Oct 1, 2024, 4:15 PM
Modified
Jun 17, 2026, 8:24 AM
Severity
Important
Public date
Oct 1, 2024, 3:13 PM