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Medium severity · published Sep 14, 2026
CVE-2026-90686
GPAC MP4Box loader_bt.c gf_bt_report memory corruption
5.3
CVSS
0.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GP
GPAC · Gpac
f1219cde · source: vendor
Affected product
GP
GPAC
Gpac
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-90686
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-90686
github.com
https://github.com/Ech06/CVE_submit/blob/main/gpac_3798.md
github.com
https://github.com/gpac/gpac/
github.com
https://github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975
github.com
https://github.com/gpac/gpac/issues/3798
github.com
https://github.com/gpac/gpac/releases/tag/abi-16.23
vuldb.com
https://vuldb.com/cve/CVE-2026-90686
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