Source: gst-plugins-bad1.0 Version: 1.26.2-2 Severity: grave Tags: security upstream Justification: user security hole X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for gst-plugins-bad1.0. CVE-2025-6663[0]: | 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 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-27381. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2025-6663 https://www.cve.org/CVERecord?id=CVE-2025-6663 [1] https://www.zerodayinitiative.com/advisories/ZDI-25-467/ [2] https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/596cf19c0c4c92b31c4ef315a0278586b0772b93 Regards, Salvatore

