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CVE-2026-3084

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CVE-2026-3084

Published: Mar 13, 2026

Modified: Mar 18, 2026

PUBLISHED

CVSS v3.0

7.8

HIGH

Description

GStreamer H.266 Codec Parser Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the parsing of picture partitions. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28910.

VendorProductVersions

GStreamer

GStreamer

affected
1c6e163aa33962f5ee4a87d29319ccdd5cb67612

Weaknesses (CWE)

CWE-191

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

ZDI-26-169
x_research-advisory
vendor-provided URL
vendor-advisory

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