GStreamer up to 1.28.1 qtdemux qtdemux_parse_uuid heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k2.50+

Summaryinfo

A vulnerability was found in GStreamer up to 1.28.1 and classified as critical. Affected by this issue is the function qtdemux_parse_uuid of the component qtdemux. Such manipulation leads to heap-based overflow. This vulnerability is traded as CVE-2026-46471. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in GStreamer up to 1.28.1. It has been rated as critical. Affected by this issue is the function qtdemux_parse_uuid of the component qtdemux. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in GStreamer gst-plugins-good before 1.28.2. While parsing an MP4 file, the isomp4 plugin's qtdemux_parse_uuid function may read past the end of a heap-allocated buffer, allowing an attacker to disclose heap memory contents.

The advisory is available at gstreamer.freedesktop.org. This vulnerability is handled as CVE-2026-46471 since 05/14/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

Upgrading to version 1.28.2 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: GStreamer 1.28.2

Timelineinfo

05/14/2026 CVE reserved
10/16/2026 +155 days Advisory disclosed
10/16/2026 +0 days VulDB entry created
10/16/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: gstreamer.freedesktop.org
Status: Confirmed

CVE: CVE-2026-46471 (🔒)
GCVE (CVE): GCVE-0-2026-46471
GCVE (VulDB): GCVE-100-421334

Entryinfo

Created: 10/16/2026 18:20
Changes: 10/16/2026 18:20 (55)
Complete: 🔍
Cache ID: 216::103

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