CVE-2025-71264
Mumble Out-of-Bounds Array Access Denial of Service
Description
Mumble before 1.6.870 is prone to an out-of-bounds array access, which may result in denial of service (client crash).
INFO
Published Date :
March 16, 2026, 2:18 p.m.
Last Modified :
April 2, 2026, 2:48 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | LOW | 8254265b-2729-46b6-b9e3-3dfca2d5bfca | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update Mumble to a version later than 1.6.870.
- Ensure all clients are running the updated version.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-71264.
| URL | Resource |
|---|---|
| https://bugs.debian.org/1129178 | Mailing List |
| https://github.com/mumble-voip/mumble/commit/ff2a2332cccb267721553f09c0ded4de880622e0 | Patch |
| https://github.com/mumble-voip/mumble/pull/7032 | Issue Tracking Patch |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-71264 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-71264
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-71264 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-71264 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 02, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Added CPE Configuration OR *cpe:2.3:a:mumble:mumble:*:*:*:*:*:*:*:* versions up to (excluding) 1.6.870 Added Reference Type MITRE: https://bugs.debian.org/1129178 Types: Mailing List Added Reference Type MITRE: https://github.com/mumble-voip/mumble/commit/ff2a2332cccb267721553f09c0ded4de880622e0 Types: Patch Added Reference Type MITRE: https://github.com/mumble-voip/mumble/pull/7032 Types: Issue Tracking, Patch -
New CVE Received by [email protected]
Mar. 16, 2026
Action Type Old Value New Value Added Description Mumble before 1.6.870 is prone to an out-of-bounds array access, which may result in denial of service (client crash). Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Added CWE CWE-125 Added Reference https://bugs.debian.org/1129178 Added Reference https://github.com/mumble-voip/mumble/commit/ff2a2332cccb267721553f09c0ded4de880622e0 Added Reference https://github.com/mumble-voip/mumble/pull/7032