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Red Hat CVE-2026-8946

| EUVD-2026-30894 HIGH
Buffer Overflow (CWE-119)
2026-05-19 mozilla GHSA-q9p7-4943-m5gr
Buffer Overflow Red Hat Mozilla Suse
7.5
CVSS 3.1
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CVSS VectorNVD

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

Lifecycle Timeline

1
CVE Published
May 19, 2026 - 12:29 nvd
UNKNOWN (no severity yet)

DescriptionNVD

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, and Firefox ESR 140.11.

Analysis

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, and Firefox ESR 140.11.

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CVE-2026-8946 vulnerability details – vuln.today
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