CVE-2024-47834
An Use-After-Free read vulnerability has been discovered affecting the processing of CodecPrivate elements in Matroska streams.
Does this matter?
Lower severity and a low EPSS score (0.92%). Track it; it rarely justifies an emergency change on its own.
Description
GStreamer is a library for constructing graphs of media-handling components. An Use-After-Free read vulnerability has been discovered affecting the processing of CodecPrivate elements in Matroska streams. In the GST_MATROSKA_ID_CODECPRIVATE case within the gst_matroska_demux_parse_stream function, a data chunk is allocated using gst_ebml_read_binary. Later, the allocated memory is freed in the gst_matroska_track_free function, by the call to g_free (track->codec_priv). Finally, the freed memory is accessed in the caps_serialize function through gst_value_serialize_buffer. The freed memory will be accessed in the gst_value_serialize_buffer function. This results in a UAF read vulnerability, as the function tries to process memory that has already been freed. This vulnerability is fixed in 1.24.10.
- CVSS 4.0
- 5.1 MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.92% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- gstreamer/gstreamer
- Source
- security-advisories@github.com
References
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8057.patchPatch
- https://gstreamer.freedesktop.org/security/sa-2024-0030.htmlRelease Notes
- https://securitylab.github.com/advisories/GHSL-2024-280_Gstreamer/Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/02/msg00035.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.