Mumble up to 1.6.869 out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Mumble up to 1.6.869. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in out-of-bounds. This vulnerability is cataloged as CVE-2025-71264. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Mumble up to 1.6.869. This affects an unknown functionality. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. The summary by CVE is:

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

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-71264 since 03/16/2026. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 302507 (Linux Distros Unpatched Vulnerability : CVE-2025-71264), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.6.870 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (302507). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.7
CNA Vector (MITRE): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 302507
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-71264

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Mumble 1.6.870

Timelineinfo

03/16/2026 Advisory disclosed
03/16/2026 +0 days CVE reserved
03/16/2026 +0 days VulDB entry created
03/16/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: ff2a2332cccb267721553f09c0ded4de880622e0
Status: Confirmed

CVE: CVE-2025-71264 (🔒)
GCVE (CVE): GCVE-0-2025-71264
GCVE (VulDB): GCVE-100-351219

Entryinfo

Created: 03/16/2026 09:53
Updated: 03/16/2026 22:13
Changes: 03/16/2026 09:53 (63), 03/16/2026 22:13 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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