Unrated severityNVD Advisory· Published Mar 13, 2026· Updated Mar 17, 2026
GStreamer H.266 Codec Parser Stack-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2026-3081
Description
GStreamer H.266 Codec Parser Stack-based Buffer Overflow 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 decoding units. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28839.
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Affected products
2Patches
Vulnerability mechanics
References
2- gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/2ffdfca2df95a7f605c922d3111e5d5be5314dcamitrevendor-advisory
- www.zerodayinitiative.com/advisories/ZDI-26-162/mitrex_research-advisory
News mentions
1- ZDI-26-162: GStreamer H.266 Codec Parser Stack-based Buffer Overflow Remote Code Execution VulnerabilityZero Day Initiative · Mar 6, 2026