Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. 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 ESR < 128.10 and Thunderbird < 128.10.
History

Fri, 09 May 2025 20:00:00 +0000

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

Fri, 09 May 2025 02:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat rhel E4s
Redhat rhel Els
Redhat rhel Eus
CPEs cpe:/a:redhat:rhel_e4s:9.0
cpe:/a:redhat:rhel_eus:9.2
cpe:/o:redhat:rhel_els:7
Vendors & Products Redhat rhel E4s
Redhat rhel Els
Redhat rhel Eus

Mon, 05 May 2025 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Redhat
Redhat enterprise Linux
CPEs cpe:/a:redhat:enterprise_linux:8
cpe:/a:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux

Fri, 02 May 2025 02:45:00 +0000

Type Values Removed Values Added
Title firefox: thunderbird: Memory safety bug fixed in Firefox ESR 128.10 and Thunderbird 128.10
Weaknesses CWE-120
References
Metrics threat_severity

None

threat_severity

Important


Thu, 01 May 2025 14:30:00 +0000

Type Values Removed Values Added
Description Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. 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 ESR < 128.10 and Thunderbird ESR < 128.10. Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. 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 ESR < 128.10 and Thunderbird < 128.10.

Tue, 29 Apr 2025 16:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-119
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

ssvc

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


Tue, 29 Apr 2025 13:30:00 +0000

Type Values Removed Values Added
Description Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. 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 ESR < 128.10 and Thunderbird ESR < 128.10.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2025-04-29T13:13:50.917Z

Updated: 2025-05-01T14:22:04.123Z

Reserved: 2025-04-29T13:13:50.246Z

Link: CVE-2025-4093

cve-icon Vulnrichment

Updated: 2025-04-29T15:32:34.756Z

cve-icon NVD

Status : Analyzed

Published: 2025-04-29T14:15:35.907

Modified: 2025-05-09T19:31:46.917

Link: CVE-2025-4093

cve-icon Redhat

Severity : Important

Publid Date: 2025-04-29T13:13:50Z

Links: CVE-2025-4093 - Bugzilla