What’s Vulnerable › Vulnerabilities

CVE-2025-71264

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-16 · updated 2026-06-17
• Weakness: CWE-125

Description

Mumble before 1.6.870 is prone to an out-of-bounds array access, which may result in denial of service (client crash).

Affected products

• Mumble: before 1.6.870 — fixed in 1.6.870

How to fix

Upgrade to a fixed version: Mumble 1.6.870. Check the vendor advisory for mitigations.

References

• https://bugs.debian.org/1129178
• https://github.com/mumble-voip/mumble/commit/ff2a2332cccb267721553f09c0ded4de880622e0
• https://github.com/mumble-voip/mumble/pull/7032

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