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Low severity · published Sep 14, 2026
CVE-2026-90611
GPAC MP4Box loader_xmt.c xmt_parse_element assertion
3.3
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability was determined in GPAC up to f1219cde. This impacts the function xmt_parse_element of the file scene_manager/loader_xmt.c of the component MP4Box. Executing a manipulation can lead to reachable assertion. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.23 will fix this issue. This patch is called afca1f1181668d85941d51ed1adf647807d5d975. It is recommended to upgrade the affected component.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% 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-2026-90611
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-90611
github.com
https://github.com/gpac/gpac/
github.com
https://github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975
github.com
https://github.com/gpac/gpac/issues/3820
github.com
https://github.com/gpac/gpac/releases/tag/abi-16.23
github.com
https://github.com/r1ck9-2q/cve_summit/blob/main/Vuln-GPAC-MP4Box-Assertion-Failure-in-xmt_parse_element.md
vuldb.com
https://vuldb.com/cve/CVE-2026-90611
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