High severity7.8NVD Advisory· Published Mar 16, 2026· Updated Jul 15, 2026
CVE-2026-3084
CVE-2026-3084
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3Patches
Vulnerability mechanics
References
5- gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/496e4f296e658fba7fd40027d3bbe6095633ec91nvdVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-26-169/nvdThird Party Advisory
- access.redhat.com/security/cve/CVE-2026-3084nvd
- bugzilla.redhat.com/show_bug.cginvd
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3084.jsonnvd
News mentions
1- ZDI-26-169: GStreamer H.266 Codec Parser Integer Underflow Remote Code Execution VulnerabilityZero Day Initiative · Mar 6, 2026