# CVE-2024-47540

## Summary

- **CVE ID:** CVE-2024-47540
- **Severity:** HIGH
- **CVSS Score:** 8.6 (CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-457
- **Published:** Dec 11, 2024
- **Last Modified:** Mar 13, 2026

## Description

GStreamer is a library for constructing graphs of media-handling components. An uninitialized stack variable vulnerability has been identified in the gst_matroska_demux_add_wvpk_header function within matroska-demux.c. When size < 4, the program calls gst_buffer_unmap with an uninitialized map variable. Then, in the gst_memory_unmap function, the program will attempt to unmap the buffer using the uninitialized map variable, causing a function pointer hijack, as it will jump to mem->allocator->mem_unmap_full or mem->allocator->mem_unmap. This vulnerability could allow an attacker to hijack the execution flow, potentially leading to code execution. This vulnerability is fixed in 1.24.10.

## Affected Products

- gstreamer — gstreamer (< 1.24.10)

## References

- [CNA](https://securitylab.github.com/advisories/GHSL-2024-197_GStreamer/)
- [CNA](https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8057.patch)
- [CNA](https://gstreamer.freedesktop.org/security/sa-2024-0017.html)
- [CVE](https://lists.debian.org/debian-lts-announce/2025/02/msg00035.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.00%
- **EPSS Percentile:** 60.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._