VideoLAN dav1d up to 1.1.x thread_task.c dav1d_decode_frame_exit race condition

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.
4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in VideoLAN dav1d up to 1.1.x. This issue affects the function dav1d_decode_frame_exit of the file thread_task.c. The manipulation leads to race condition. This vulnerability is documented as CVE-2023-32570. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in VideoLAN dav1d up to 1.1.x and classified as problematic. This issue affects the function dav1d_decode_frame_exit of the file thread_task.c. The manipulation with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. Impacted is availability. The summary by CVE is:

VideoLAN dav1d before 1.2.0 has a thread_task.c race condition that can lead to an application crash, related to dav1d_decode_frame_exit.

The weakness was released 05/10/2023 as cf617fdae0b9bfabd27282854c8e81450d955efa. It is possible to read the advisory at code.videolan.org. The identification of this vulnerability is CVE-2023-32570. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 1.2.0 eliminates this vulnerability. Applying the patch cf617fdae0b9bfabd27282854c8e81450d955efa is able to eliminate this problem. The bugfix is ready for download at code.videolan.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-36814). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 5.9
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: dav1d 1.2.0
Patch: cf617fdae0b9bfabd27282854c8e81450d955efa

Timelineinfo

05/10/2023 🔍
05/10/2023 +0 days 🔍
05/10/2023 +0 days 🔍
01/03/2026 +969 days 🔍

Sourcesinfo

Vendor: videolan.org

Advisory: cf617fdae0b9bfabd27282854c8e81450d955efa
Status: Confirmed

CVE: CVE-2023-32570 (🔍)
GCVE (CVE): GCVE-0-2023-32570
GCVE (VulDB): GCVE-100-228551
EUVD: 🔍

Entryinfo

Created: 05/10/2023 07:47
Updated: 01/03/2026 10:10
Changes: 05/10/2023 07:47 (42), 06/02/2023 08:18 (1), 06/02/2023 08:22 (11), 01/28/2025 18:11 (27), 01/03/2026 10:10 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!