Buffer overflow in Gpac
CVE-2026-90826
A vulnerability was determined in GPAC 26.07.0. Affected by this issue is the function gf_node_del of the file scenegraph/base_scenegraph.c of the component MP4Box. This manipulation causes out-of-bounds read. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.23 can resolve this issue. Patch name: afca1f1181668d85941d51ed1adf647807d5d975. It is advisable to upgrade the affected component.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.8 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (5.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Gpac — versions 26.07.0
Weakness classification (CWE)
References
- vuldb.com/vuln/403328 (technical-description, vdb-entry)
- vuldb.com/vuln/403328/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-90826 (third-party-advisory)
- vuldb.com/submit/914951 (third-party-advisory)
- github.com/gpac/gpac/issues/3812 (issue-tracking)
- github.com/user-attachments/files/30400210/poc_19_nstatx.zip (exploit)
- github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975 (patch)
- github.com/gpac/gpac/releases/tag/abi-16.23 (patch)
- github.com/gpac/gpac/ (product)
Frequently asked questions
- What is CVE-2026-90826?
- CVE-2026-90826 is a low-severity vulnerability in Gpac, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 2.8/10. Published 2026-09-14.
- How severe is CVE-2026-90826?
- Low severity. CVSS v3 base score is 2.8 out of 10.