CVE-2024-47540

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 1.0%, top 41% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: Elevated riskExposed: 0

A fix is available — apply it.

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.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
59%
KEV
Not listed

Published

December 12, 2024

Last Modified

March 17, 2026

Advisory Details (4)

Auto-updated Jun 28, 2026
Patch available. Sources: github.
generic Patch Available

[SECURITY] [DLA 4071-1] gst-plugins-good1.0 security update

https://lists.debian.org/debian-lts-announce/2025/02/msg00035.html
github

GHSL-2024-197: Uninitialized variable in gst_matroska_demux_add_wvpk_header leading to function pointer overwriting in GStreamer - CVE-2024-47540 | GitHub Security Lab

https://securitylab.github.com/advisories/GHSL-2024-197_GStreamer/
generic

GStreamer Security Advisory

https://gstreamer.freedesktop.org/security/sa-2024-0017.html
generic
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8057.patch

Vendor Advisories for CVE-2024-47540(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(11)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibgstreamer-plugins-good1.0-dev (1.24.8-1ubuntu1.1) @ oracular2026-05-23ubuntu
redhatgstreamer1-plugins-good-0:1.10.4-3.el7_92024-12-18redhat
redhatgstreamer1-plugins-good-0:1.16.1-3.el8_42024-12-18redhat
redhatgstreamer1-plugins-good-0:1.16.1-2.el8_22024-12-18redhat
redhatgstreamer1-plugins-good-0:1.16.1-3.el8_62024-12-18redhat
redhatgstreamer1-plugins-good-0:1.16.1-4.el8_82024-12-18redhat
redhatgstreamer1-plugins-good-0:1.16.1-5.el8_102024-12-17redhat
redhatgstreamer1-plugins-good-0:1.18.4-6.el9_02024-12-17redhat
redhatgstreamer1-plugins-good-0:1.22.1-3.el9_42024-12-16redhat
redhatgstreamer1-plugins-good-0:1.22.1-3.el9_52024-12-16redhat
redhatgstreamer1-plugins-good-0:1.18.4-7.el9_22024-12-16redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(10)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 13× in last 7d / 43× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 106 total refreshes for this CVE.

  1. 2026-07-27 14:11 UTCEPSS rescore
  2. 2026-07-26 14:53 UTCEPSS rescore
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  1. 2026-07-13 16:38 UTCOSV refresh
  2. 2026-07-13 06:12 UTCEPSS rescore
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  21. 2026-06-25 14:16 UTCOSV refresh
  22. 2026-06-25 13:49 UTCEPSS rescore
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  27. 2026-06-22 14:25 UTCEPSS rescore
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  49. 2026-06-08 14:16 UTCEPSS rescore
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  51. 2026-06-08 04:28 UTCOSV refresh
  52. 2026-06-07 15:24 UTCEPSS rescore
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Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2024-47540?
CVE-2024-47540 is a critical vulnerability published on December 12, 2024. GStreamer is a library for constructing graphs of media-handling components. An uninitialized stack variable vulnerability has been identified in the gstmatroskademuxaddwvpkheader function within matroska-demux.c. When size < 4, the program calls gstbufferunmap with an uninitialized map variable.…
When was CVE-2024-47540 disclosed?
CVE-2024-47540 was first published in the National Vulnerability Database on December 12, 2024, with the most recent update on March 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-47540 actively exploited?
CVE-2024-47540 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 40.6% of all scored CVEs.
What is the CVSS score of CVE-2024-47540?
CVE-2024-47540 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2024-47540?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-47540, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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