Vulnerability Report

CVE-2025-71264

Title: Mumble Client Out-of-Bounds DoS

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2025-71264.

CWE Category CWE-125
Published Date Mar 16, 2026
Modified Date Apr 02, 2026
Exploit Status Not Found
Score 3.7 CVSS v3.1
Exploit Probability (EPSS)
0.06%

Vulnerability Summary

CVE-2025-71264: Mumble before 1.6.870 is prone to an out-of-bounds array access, which may result in denial of service (client crash).

Impacted Vendors

M
mumble 1
L
light_speed_gaming 1

Reference Links

https://bugs.debian.org/1129178 https://github.com/mumble-voip/mumble/commit/ff2a2332cccb267721553f09c0ded4de880622e0 https://github.com/mumble-voip/mumble/pull/7032
CVSS v3.1
Source Entity [email protected]
Severity LOW
3.7
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.3
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-71264 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Stack

No specific products linked.