CVE Explorer
CVE-2025-6663
GStreamer H266 Codec Parsing 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 H266 sei messages. The issue results from the lack of proper validation of the length of user-supplied data prior to
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unknown","product":"GStreamer","vendor":"GStreamer","versions":[{"status":"affected","version":"97fec43422c4b62d569957d721c899bdaaa9da61"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:45c3cd2d3b830b7a8884ed505e54b3252319b7f81aa8df5ddd48906b7f18fcde · sha256:e32aaa3ec8f22f00… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.0"},"metric_type":"cvssV3_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:45c3cd2d3b830b7a8884ed505e54b3252319b7f81aa8df5ddd48906b7f18fcde · sha256:e32aaa3ec8f22f00… · /containers/cna/metrics/0/cvssV3_0
CWE assertions
1 source assertion{"cweId":"CWE-121","description":"CWE-121: Stack-based Buffer Overflow","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:45c3cd2d3b830b7a8884ed505e54b3252319b7f81aa8df5ddd48906b7f18fcde · sha256:e32aaa3ec8f22f00… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"name":"vendor-provided URL","tags":["vendor-advisory"],"url":"https://gitlab.freedesktop.org/tpm/gstreamer/-/commit/eedd01ac3dfeb60e36a44bb61a6d0418454e8416"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:45c3cd2d3b830b7a8884ed505e54b3252319b7f81aa8df5ddd48906b7f18fcde · sha256:e32aaa3ec8f22f00… · /containers/cna/references/1
{"name":"ZDI-25-467","tags":["x_research-advisory"],"url":"https://www.zerodayinitiative.com/advisories/ZDI-25-467/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:45c3cd2d3b830b7a8884ed505e54b3252319b7f81aa8df5ddd48906b7f18fcde · sha256:e32aaa3ec8f22f00… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.