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Mozilla CVE-2025-0241

HIGH
Memory Leak (CWE-401)
2025-01-07 security@mozilla.org
Mozilla Denial Of Service
7.7
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.7 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
SUSE
HIGH
qualitative
Red Hat
6.5 MEDIUM
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low

Lifecycle Timeline

3
Patch released
Apr 02, 2026 - 20:30 nvd
Patch available
Analysis Generated
Mar 28, 2026 - 18:02 vuln.today
CVE Published
Jan 07, 2025 - 16:15 nvd
HIGH 7.7

DescriptionCVE.org

When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird < 128.6.

AnalysisAI

When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Memory Leak (CWE-401), which allows attackers to exhaust available memory leading to denial of service. When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird < 128.6. Affected products include: Mozilla Firefox, Mozilla Thunderbird.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Ensure all allocated memory is properly freed. Use RAII patterns or garbage-collected languages.

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Vendor StatusVendor

SUSE

Severity: High
Product Status
Container suse/kiosk/firefox-esr:esr Image SLES15-SP3-SAP-Azure-LI-BYOS-Production Image SLES15-SP3-SAP-Azure-VLI-BYOS-Production Image SLES15-SP4-SAP-Azure-LI-BYOS Image SLES15-SP4-SAP-Azure-LI-BYOS-Production Image SLES15-SP4-SAP-Azure-VLI-BYOS Image SLES15-SP4-SAP-Azure-VLI-BYOS-Production Image SLES15-SP5-SAP-Azure-LI-BYOS Image SLES15-SP5-SAP-Azure-LI-BYOS-Production Image SLES15-SP5-SAP-Azure-VLI-BYOS Image SLES15-SP5-SAP-Azure-VLI-BYOS-Production Image SLES15-SP6-SAP-Azure-LI-BYOS Image SLES15-SP6-SAP-Azure-LI-BYOS-Production Image SLES15-SP6-SAP-Azure-VLI-BYOS Image SLES15-SP6-SAP-Azure-VLI-BYOS-Production Image SLES15-SP7-SAP-Azure-LI-BYOS-Production Image SLES15-SP7-SAP-Azure-VLI-BYOS-Production Affected
Image SLES12-SP5-SAP-Azure-LI-BYOS-Production Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production Affected
SUSE Enterprise Storage 7.1 Fixed
SUSE Liberty Linux 8 Fixed
SUSE Liberty Linux 9 Fixed

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CVE-2025-0241 vulnerability details – vuln.today
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