FFmpeg libavformat/nutdec.c decode_main_header null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in FFmpeg. Impacted is the function decode_main_header of the file libavformat/nutdec.c. Performing a manipulation results in null pointer dereference. This vulnerability is reported as CVE-2022-3341. The attack is possible to be carried out remotely. No exploit exists. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in FFmpeg (Multimedia Processing Software) (affected version not known). It has been classified as problematic. This affects the function decode_main_header of the file libavformat/nutdec.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

A null pointer dereference issue was discovered in 'FFmpeg' in decode_main_header() function of libavformat/nutdec.c file. The flaw occurs because the function lacks check of the return value of avformat_new_stream() and triggers the null pointer dereference error, causing an application to crash.

The weakness was disclosed 01/12/2023 as 9cf652cef49d74afe3d454f27d49eb1a1394951e. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2022-3341 since 09/27/2022. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Applying the patch 9cf652cef49d74afe3d454f27d49eb1a1394951e is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

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

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 9cf652cef49d74afe3d454f27d49eb1a1394951e

Timelineinfo

09/27/2022 🔍
01/12/2023 +107 days 🔍
01/12/2023 +0 days 🔍
04/08/2025 +817 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: 9cf652cef49d74afe3d454f27d49eb1a1394951e
Status: Confirmed

CVE: CVE-2022-3341 (🔍)
GCVE (CVE): GCVE-0-2022-3341
GCVE (VulDB): GCVE-100-218157

Entryinfo

Created: 01/12/2023 19:31
Updated: 04/08/2025 18:24
Changes: 01/12/2023 19:31 (42), 02/05/2023 08:27 (11), 04/08/2025 18:24 (16)
Complete: 🔍
Cache ID: 216::103

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