CVE-2026-90578

GPAC MP4Box list.c gf_list_count use after free

MEDIUM
5.3
CVSS Score
Published: September 13, 2026 at 06:45 PM UTC
Updated: September 15, 2026 at 07:17 PM UTC
1 product affected across 1 vendorGpac

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

A flaw has been found in GPAC up to f1219cde. Affected by this issue is the function gf_list_count of the file utils/list.c of the component MP4Box. Executing a manipulation can lead to use after free. The attack is restricted to local execution. The exploit has been published and may be used. Upgrading to version abi-16.23 can resolve this issue. This patch is called 49dee5cad329cfed310c1682703df7daa47df31a. It is suggested to upgrade the affected component.

Affected

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

All versionsf1219cde
Vendor states this is fixed in abi-16.23 (unaffected)

Remediation

No guide yet

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

References (9)

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

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

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-416CWE-119

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