FFmpeg libavutil/mem.c memory leak

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in FFmpeg. This affects an unknown function of the file libavutil/mem.c. Executing a manipulation can lead to memory leak. The identification of this vulnerability is CVE-2025-25468. The attack may be launched remotely. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in FFmpeg (the affected version unknown) and classified as problematic. This vulnerability affects an unknown part of the file libavutil/mem.c. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. CVE summarizes:

FFmpeg git-master before commit d5873b was discovered to contain a memory leak in the component libavutil/mem.c.

The advisory is available at trac.ffmpeg.org. This vulnerability was named CVE-2025-25468 since 02/07/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Applying the patch d5873be583ada9e1fb887e2fe8dcfd4b12e0efcd is able to eliminate this problem. The bugfix is ready for download at git.ffmpeg.org.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-4695) and CERT Bund (WID-SEC-2025-0401). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

Debian Linux
Fedora Linux
Ubuntu Linux
SUSE Linux
SUSE openSUSE
Open Source ffmpeg

Productinfo

Type

Multimedia Processing Software

Name

FFmpeg

License

open-source

Website

Product: https://ffmpeg.org/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: d5873be583ada9e1fb887e2fe8dcfd4b12e0efcd

Timelineinfo

02/07/2025 🔍
02/18/2025 +11 days 🔍
02/18/2025 +0 days 🔍
01/29/2026 +345 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: 11415
Status: Confirmed

CVE: CVE-2025-25468 (🔍)
GCVE (CVE): GCVE-0-2025-25468
GCVE (VulDB): GCVE-100-296194
EUVD: 🔍
CERT Bund: WID-SEC-2025-0401 - ffmpeg: Mehrere Schwachstellen

Entryinfo

Created: 02/18/2025 23:46
Updated: 01/29/2026 03:24
Changes: 02/18/2025 23:46 (56), 06/01/2025 04:46 (1), 01/02/2026 10:56 (7), 01/29/2026 03:24 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.