VDB-224473 · CVE-2022-48434 · Nessus 233036

FFmpeg up to 5.1.1 pthread_frame.c use after free

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.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in FFmpeg up to 5.1.1. The impacted element is an unknown function of the file libavcodec/pthread_frame.c. This manipulation causes use after free. This vulnerability appears as CVE-2022-48434. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in FFmpeg up to 5.1.1 (Multimedia Processing Software) and classified as critical. Affected by this vulnerability is an unknown code of the file libavcodec/pthread_frame.c. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

libavcodec/pthread_frame.c in FFmpeg before 5.1.2, as used in VLC and other products, leaves stale hwaccel state in worker threads, which allows attackers to trigger a use-after-free and execute arbitrary code in some circumstances (e.g., hardware re-initialization upon a mid-video SPS change when Direct3D11 is used).

The weakness was presented 03/29/2023 as cc867f2c09d2b69cee8a0eccd62aff002cbbfe11. The advisory is shared at git.ffmpeg.org. This vulnerability is known as CVE-2022-48434 since 03/29/2023. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 233036 (SUSE SLED15 / SLES15 / openSUSE 15 Security Update : ffmpeg-4 (SUSE-SU-2025:0958-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.1.2 eliminates this vulnerability. Applying the patch cc867f2c09d2b69cee8a0eccd62aff002cbbfe11 is able to eliminate this problem. The bugfix is ready for download at git.ffmpeg.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (233036). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Multimedia Processing Software

Name

FFmpeg

Version

License

open-source

Website

Product: https://ffmpeg.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 233036
Nessus Name: SUSE SLED15 / SLES15 / openSUSE 15 Security Update : ffmpeg-4 (SUSE-SU-2025:0958-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FFmpeg 5.1.2
Patch: cc867f2c09d2b69cee8a0eccd62aff002cbbfe11

Timelineinfo

03/29/2023 🔍
03/29/2023 +0 days 🔍
03/29/2023 +0 days 🔍
04/27/2025 +760 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: cc867f2c09d2b69cee8a0eccd62aff002cbbfe11
Status: Confirmed

CVE: CVE-2022-48434 (🔍)
GCVE (CVE): GCVE-0-2022-48434
GCVE (VulDB): GCVE-100-224473

Entryinfo

Created: 03/29/2023 22:27
Updated: 04/27/2025 11:58
Changes: 03/29/2023 22:27 (42), 04/19/2023 18:56 (11), 10/22/2024 04:28 (26), 03/21/2025 04:42 (2), 04/27/2025 11:58 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.