FFmpeg libavformat/mov.c null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in FFmpeg. This impacts an unknown function of the file libavformat/mov.c. The manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2025-25473. Remote exploitation of the attack is possible. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in FFmpeg (the affected version is unknown) and classified as problematic. This issue affects an unknown code of the file libavformat/mov.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

FFmpeg git master before commit c08d30 was discovered to contain a memory leak in the avformat_free_context function in libavutil/mem.c.

It is possible to read the advisory at git.ffmpeg.org. The identification of this vulnerability is CVE-2025-25473 since 02/07/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 232751 (SUSE SLED15 / SLES15 / openSUSE 15 Security Update : ffmpeg-4 (SUSE-SU-2025:0862-1)), which helps to determine the existence of the flaw in a target environment.

Applying a patch 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 Tenable (232751), EUVD (EUVD-2025-4559) and CERT Bund (WID-SEC-2025-0401). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

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

Productinfo

Type

Name

License

Website

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: 232751
Nessus Name: SUSE SLED15 / SLES15 / openSUSE 15 Security Update : ffmpeg-4 (SUSE-SU-2025:0862-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.ffmpeg.org

Timelineinfo

02/07/2025 🔍
02/18/2025 +11 days 🔍
02/18/2025 +0 days 🔍
01/02/2026 +318 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: git.ffmpeg.org
Status: Confirmed

CVE: CVE-2025-25473 (🔍)
GCVE (CVE): GCVE-0-2025-25473
GCVE (VulDB): GCVE-100-296195
EUVD: 🔍
CERT Bund: WID-SEC-2025-0401 - ffmpeg: Mehrere Schwachstellen

Entryinfo

Created: 02/18/2025 23:46
Updated: 01/02/2026 11:47
Changes: 02/18/2025 23:46 (54), 03/15/2025 12:39 (2), 06/01/2025 00:42 (1), 12/16/2025 21:26 (2), 01/02/2026 11:47 (7)
Complete: 🔍
Cache ID: 216::103

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

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