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CVE-2026-90686

GPAC MP4Box loader_bt.c gf_bt_report memory corruption

MEDIUM
5.3
CVSS Score
Published: September 14, 2026 at 05:30 AM UTC
Updated: September 14, 2026 at 09:14 PM UTC
1 product affected across 1 vendorGpac

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.9%
SSVC
PoC

Description

A vulnerability was found in GPAC up to f1219cde. This affects the function gf_bt_report of the file scene_manager/loader_bt.c of the component MP4Box. The manipulation results in memory corruption. The attack may be performed from remote. The exploit has been made public and could be used. Upgrading to version abi-16.23 is able to mitigate this issue. The patch is identified as afca1f1181668d85941d51ed1adf647807d5d975. It is suggested to upgrade the affected component.

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/403219
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403219/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90686
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/914120
Issue Tracking
Source: cverecord
https://github.com/gpac/gpac/issues/3798
Exploit
Source: cverecord
https://github.com/Ech06/CVE_submit/blob/main/gpac_3798.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

SSVCPoCAutomatablePartial impact

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

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-119

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