Security update for mumble
A security update for Mumble addresses CVE-2025-71264, an issue in the Opus codec where incorrect size calculations can cause out-of-bounds array access, potentially leading to a client crash. The update also includes fixes for undesired ACL behavior and various client bugs related to UI, memory leaks, and audio controls.
AI Analysis
Technical Summary
The vulnerability CVE-2025-71264 in Mumble's Opus codec involves incorrect size calculations that allow out-of-bounds array access, which can result in a client crash. This update to version 1.5.857 resolves this issue along with fixes for ACL behavior and client-side bugs affecting UI, memory management, and audio mute/volume functionality.
Potential Impact
The primary impact is a potential client crash due to out-of-bounds array access caused by incorrect size calculations in the Opus codec. No evidence of exploitation in the wild is reported. Other fixes improve stability and correct undesired access control list behavior.
Mitigation Recommendations
Updating Mumble to version 1.5.857 or later addresses the vulnerability and related client issues. No additional mitigation steps are indicated.
Security update for mumble
Description
A security update for Mumble addresses CVE-2025-71264, an issue in the Opus codec where incorrect size calculations can cause out-of-bounds array access, potentially leading to a client crash. The update also includes fixes for undesired ACL behavior and various client bugs related to UI, memory leaks, and audio controls.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2025-71264 in Mumble's Opus codec involves incorrect size calculations that allow out-of-bounds array access, which can result in a client crash. This update to version 1.5.857 resolves this issue along with fixes for ACL behavior and client-side bugs affecting UI, memory management, and audio mute/volume functionality.
Potential Impact
The primary impact is a potential client crash due to out-of-bounds array access caused by incorrect size calculations in the Opus codec. No evidence of exploitation in the wild is reported. Other fixes improve stability and correct undesired access control list behavior.
Mitigation Recommendations
Updating Mumble to version 1.5.857 or later addresses the vulnerability and related client issues. No additional mitigation steps are indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- SUSE Product Security Team
- Advisory Id
- openSUSE-SU-2026:20394-1
- Cve Count
- 1
Threat ID: 6aab499155bf5e2cf5990f43
Added to database: 09/17/2026, 01:59:45 UTC
Last enriched: 09/17/2026, 02:31:09 UTC
Last updated: 09/17/2026, 02:31:09 UTC
Views: 2
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