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Mozilla CVE-2026-2788

CRITICAL
Buffer Overflow (CWE-119)
2026-02-24 security@mozilla.org
Buffer Overflow Mozilla
Critical
Disputed · 9.8 NVD
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Severity by source

Sources disagree (Medium–Critical)
NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SUSE
CRITICAL
qualitative
Red Hat
6.1 MEDIUM
qualitative

vuln.today treats the vendor’s rating as authoritative. A higher third-party CVSS (e.g. CISA-ADP) is shown for transparency but does not drive the headline severity.

CVSS VectorNVD

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

Lifecycle Timeline

3
Patch released
Apr 10, 2026 - 08:30 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 24, 2026 - 14:16 nvd
CRITICAL 9.8

DescriptionCVE.org

Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

AnalysisAI

Boundary error in Firefox Audio/Video GMP (Gecko Media Plugins) component before 148. Media plugin processing triggers memory corruption.

Technical ContextAI

CWE-119 boundary error in Gecko Media Plugins audio/video processing.

RemediationAI

Update Firefox to 148+.

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Same weakness CWE-119 – Buffer Overflow

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8.8
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Same technique Buffer Overflow

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Vendor StatusVendor

SUSE

Severity: Critical
Product Status
Container suse/sl-micro/6.0/baremetal-os-container:2.1.3-6.61 Container suse/sl-micro/6.0/base-os-container:2.1.3-7.27 Container suse/sl-micro/6.0/kvm-os-container:2.1.3-6.52 Container suse/sl-micro/6.0/rt-os-container:2.1.3-7.63 Container suse/sl-micro/6.0/toolbox:13.2-9.16 Image SL-Micro Affected
Image SL-Micro-BYOS-GCE Image SUSE-Multi-Linux-Manager-Proxy-BYOS-GCE Image SUSE-Multi-Linux-Manager-Server-BYOS-GCE Affected
Image SLES12-SP5-SAP-Azure-LI-BYOS-Production Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production Affected
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-SP7-SAP-Azure-LI-BYOS-Production Image SLES15-SP7-SAP-Azure-VLI-BYOS-Production Affected
SUSE Liberty Linux 8 Fixed

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CVE-2026-2788 vulnerability details – vuln.today
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