GStreamer AV1 Codec Parser gst_av1_parser_parse_tile_list_obu assertion

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in GStreamer. It has been rated as problematic. This vulnerability affects the function gst_av1_parser_parse_tile_list_obu of the component AV1 Codec Parser. The manipulation leads to assertion. This vulnerability is documented as CVE-2026-52718. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in GStreamer (version unknown). It has been rated as problematic. This issue affects the function gst_av1_parser_parse_tile_list_obu of the component AV1 Codec Parser. The manipulation with an unknown input leads to a assertion vulnerability. Using CWE to declare the problem leads to CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. Impacted is availability. The summary by CVE is:

A denial of service vulnerability was found in GStreamer's AV1 codec parser in gst-plugins-bad. The gst_av1_parser_parse_tile_list_obu() function passes a byte count to a bit-reader API that expects a bit count, causing parser desynchronization. A remote attacker could trick a user into opening a specially crafted AV1 media file, triggering an assertion abort and causing the application to crash.

It is possible to read the advisory at access.redhat.com. The identification of this vulnerability is CVE-2026-52718 since 06/08/2026. 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 321145 (Linux Distros Unpatched Vulnerability : CVE-2026-52718), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (321145) and CERT Bund (WID-SEC-2026-1919). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Open Source GStreamer

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

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

CNA Base Score: 6.5
CNA Vector (redhat): 🔒

CVSSv2info

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

Exploitinginfo

Class: Assertion
CWE: CWE-617
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: 321145
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-52718

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/08/2026 CVE reserved
06/16/2026 +8 days Advisory disclosed
06/16/2026 +0 days VulDB entry created
06/16/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: access.redhat.com
Status: Not defined

CVE: CVE-2026-52718 (🔒)
GCVE (CVE): GCVE-0-2026-52718
GCVE (VulDB): GCVE-100-371231
CERT Bund: WID-SEC-2026-1919 - GStreamer: Mehrere Schwachstellen

Entryinfo

Created: 06/16/2026 07:25
Updated: 06/16/2026 13:55
Changes: 06/16/2026 07:25 (61), 06/16/2026 07:44 (7), 06/16/2026 13:55 (2)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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