A vulnerability has been found in GPAC up to f1219cde. This issue affects the function gf_url_concatenate_ex of the file utils/url.c of the component URL Handler. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. Upgrading to version abi-16.23 is capable of addressing this issue. The identifier of the patch is afca1f1181668d85941d51ed1adf647807d5d975. It is advisable to upgrade the affected component.
PUBLISHED5.2ApplicationCWE-122CWE-119x_open-source
GPAC URL url.c gf_url_concatenate_ex heap-based overflow
Problem type
Affected products
GPAC
f1219cde - AFFECTED
abi-16.23 - UNAFFECTED
References
VDB-403650 | GPAC URL url.c gf_url_concatenate_ex heap-based overflow
https://vuldb.com/vuln/403650
VDB-403650 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/403650/cti
CVE-2026-91088 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-91088
Submit #919757 | GPAC master f1219cde (2026-07-25) Buffer Overflow
https://vuldb.com/submit/919757
github.com
https://github.com/gpac/gpac/issues/3808
github.com
https://github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975
github.com
https://github.com/gpac/gpac/releases/tag/abi-16.23
github.com
https://github.com/gpac/gpac/
JSON source
https://cveawg.mitre.org/api/cve/CVE-2026-91088Click to expand
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