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Vulnerability record · CVE-2024-47603 · published 12 December 2024

CVE-2024-47603: Gstreamer null pointer dereference vulnerability

Gstreamer · Gstreamer

GStreamer is a library for constructing graphs of media-handling components. A null pointer dereference vulnerability has been discovered in the gst_matroska_demux_update_tracks function within matroska-demux.c. The vulnerability occurs when the gst_caps_is_equal function is called with invalid caps values. If this happen, then in the function gst_buffer_get_size the call to GST_BUFFER_MEM_PTR can return a null pointer. Attempting to dereference the size field of this null pointer results in a null pointer dereference. This vulnerability is fixed in 1.24.10.

6.8 CVSS 4.0 Medium EPSS 0.87% · top 42.0% CWE-476 · NULL pointer dereference
6.8CVSS 4.0 base score
0.87%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

GStreamer is a library for constructing graphs of media-handling components. A null pointer dereference vulnerability has been discovered in the gst_matroska_demux_update_tracks function within matroska-demux.c. The vulnerability occurs when the gst_caps_is_equal function is called with invalid caps values. If this happen, then in the function gst_buffer_get_size the call to GST_BUFFER_MEM_PTR can return a null pointer. Attempting to dereference the size field of this null pointer results in a null pointer dereference. This vulnerability is fixed in 1.24.10.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8057.patch Patch
https://gstreamer.freedesktop.org/security/sa-2024-0021.html Release Notes
https://securitylab.github.com/advisories/GHSL-2024-251_Gstreamer/ Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/02/msg00035.html

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Source: NIST National Vulnerability Database (record CVE-2024-47603), CISA KEV, FIRST EPSS (scores of 2026-10-14). This page is refreshed as NVD updates the record.