CVE-2024-47546

GHSL-2024-243: GStreamer has an integer underflow in extract_cc_from_data leading to OOB-read

HIGH
7.5
CVSS Score
Published: December 11, 2024 at 07:01 PM UTC
Updated: June 17, 2026 at 07:57 AM UTC
2 products affected across 2 vendorsGstreamerGStreamer

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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
PoC

Description

GStreamer is a library for constructing graphs of media-handling components. An integer underflow has been detected in extract_cc_from_data function within qtdemux.c. In the FOURCC_c708 case, the subtraction atom_length - 8 may result in an underflow if atom_length is less than 8. When that subtraction underflows, *cclen ends up being a large number, and then cclen is passed to g_memdup2 leading to an out-of-bounds (OOB) read. This vulnerability is fixed in 1.24.10.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.24.10
Affected range stops below 1.24.10, so it looks safe — our inference, not a vendor statement
v < 1.24.10
Affected range stops below 1.24.10, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-191

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