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CVE-2026-90685

GPAC MP4Box lsr_dec.c lsr_exec_command_list assertion

LOW
2.8
CVSS Score
Published: September 14, 2026 at 05:15 AM UTC
Updated: September 16, 2026 at 03:18 PM UTC
1 product affected across 1 vendorGpac

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Severity
LOW2.8
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

A vulnerability has been found in GPAC up to f1219cde. Affected by this issue is the function lsr_exec_command_list of the file laser/lsr_dec.c of the component MP4Box. The manipulation leads to reachable assertion. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. Upgrading to version abi-16.23 can resolve this issue. The identifier of the patch is afca1f1181668d85941d51ed1adf647807d5d975. The affected component should be upgraded.

Affected

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

Gpac· Gpac
95%
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:

Patch and advisory references

References (9)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403218
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403218/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90685
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/914027
Issue Tracking
Source: cverecord
https://github.com/gpac/gpac/issues/3825
Exploit
Source: cverecord
https://github.com/r1ck9-2q/cve_summit/blob/main/Vuln%20GPAC%20MP4Box%20Assertion%20Failure%20assert(!codec-bs).md
Patch
Source: cverecord
https://github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975
Patch
Source: cverecord
https://github.com/gpac/gpac/releases/tag/abi-16.23

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

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

CVSS

2.8LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-617

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