CVE-2024-47541

GStreamer is a library for constructing graphs of media-handling components. An OOB-write vulnerability has been identified in the gst_ssa_parse_remove_override_codes function of the gstssaparse.c file. This function is responsible for parsing and removing SSA (SubStation Alpha) style override codes, which are enclosed in curly brackets ({}). The issue arises when a closing curly bracket "}" appears before an opening curly bracket "{" in the input string. In this case, memmove() incorrectly duplicates a substring. With each successive loop iteration, the size passed to memmove() becomes progressively larger (strlen(end+1)), leading to a write beyond the allocated memory bounds. This vulnerability is fixed in 1.24.10.

• CWE-787

• https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8036.patchPatch
• https://gstreamer.freedesktop.org/security/sa-2024-0023.htmlPatch, Release Notes
• https://securitylab.github.com/advisories/GHSL-2024-228_GStreamer/Exploit, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2024/12/msg00021.html

Published

Dec 12, 2024

Last Modified

Jun 17, 2026

Status

Modified

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