CVE-2024-47601: gstreamer Null Dereference — Fix

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_parse_blockgroup_or_simpleblock function within matroska-demux.c. This function does not properly check the validity of the GstBuffer *sub pointer before performing dereferences. As a result, null pointer dereferences may occur. This vulnerability is fixed in 1.24.10.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
gstreamer	gstreamer	< 1.24.10

References

Advisories & Patches

https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8057.patch

Other References

https://gstreamer.freedesktop.org/security/sa-2024-0020.html https://securitylab.github.com/advisories/GHSL-2024-249_Gstreamer/ https://lists.debian.org/debian-lts-announce/2025/02/msg00035.html

Frequently Asked Questions

What is CVE-2024-47601? +

GStreamer is a library for constructing graphs of media-handling components. A null pointer dereference vulnerability has been discovered in the gst_matroska_demux_parse_blockgroup_or_simpleblock function within matroska-demux.c. This function does not properly check the validity of the GstBuffer *sub pointer before performing dereferences. As a result, null pointer dereferences may occur. This vulnerability is fixed in 1.24.10. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-47601? +

CVE-2024-47601 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-47601? +

CVE-2024-47601 affects products from gstreamer, specifically: gstreamer. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-47601? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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