CVE-2024-47539

Application crash via undersized caption-pair buffer

Published Dec 11, 2024 · Updated Nov 3, 2025

Out-of-bounds write in GStreamer before 1.24.10 allows context-dependent attackers to crash applications via crafted MP4/MOV files. In isomp4/qtdemux.c, convert_to_s334_1a allocates three bytes per complete caption pair but iterates once more when ccpair_size is even, writing up to three bytes past storage. The affected application must process a CEA-608 closed-caption track; the resulting heap corruption permits a crash, while code execution is only a vendor-stated possibility.

CVSS severity8.6
High
EPSS probability1.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in GStreamer before 1.24.10 allows context-dependent attackers to crash applications via crafted MP4/MOV files. In isomp4/qtdemux.c, convert_to_s334_1a allocates three bytes per complete caption pair but iterates once more when ccpair_size is even, writing up to three bytes past storage. The affected application must process a CEA-608 closed-caption track; the resulting heap corruption permits a crash, while code execution is only a vendor-stated possibility.

The record

CVE
CVE-2024-47539
Published
Dec 11, 2024
Updated
Nov 3, 2025
Vendor
GStreamer Project
Product
GStreamer
Classifications
CWE-787, T1203
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 11, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 3, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 1.24.10

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

GStreamer Project · GStreamerversion=< 1.24.10

Published CVSS scores

9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.6GitHub CNACVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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