CVE WatchJul 15, 2026

CVE-2026-3084

GStreamer H.266 Codec Parser Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute ar

CVSS

7.8

High

EPSS

0.4%

p34

KEV

—

Exploit Today

0-100

Published: Mar 16, 2026 · Last modified: Jul 15, 2026 · CWE-191

EPSS · 30d

0.4%EPSS · 30 days0.4%

2026-06-302026-07-19

Technical 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.

Official references

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