CVE-2026-91088GPAC URL url.c gf_url_concatenate_ex heap-based overflow
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 4.8 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
- Weakness (CWE)
- CWE-122, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Sep 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
n/a GPAC gpac:gpac | f1219cde; abi-16.23 not affected | CNA record |
References
- https://vuldb.com/vuln/403650vdb-entry, technical-description
- https://vuldb.com/vuln/403650/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-91088third-party-advisory
- https://vuldb.com/submit/919757third-party-advisory
- https://github.com/gpac/gpac/issues/3808issue-tracking
- https://github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975patch
- https://github.com/gpac/gpac/releases/tag/abi-16.23patch
- https://github.com/gpac/gpac/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.