Vulnerability · Published Sep 16, 2026 · Assigned by VulDB

CVE-2026-92475GPAC downloader.c wait_for_header_and_parse out-of-bounds

Medium 5.3

In plain English

A medium-severity out-of-bounds read in GPAC. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.2%top 95.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A weakness has been identified in GPAC 26.08-DEV. This impacts the function wait_for_header_and_parse of the file src/utils/downloader.c. This manipulation of the argument Content-Range causes out-of-bounds read. The attack requires local access. The exploit has been made available to the public and could be used for attacks. Upgrading to version abi-16.26 will fix this issue. Patch name: c74a3065038ede35c1c7b75fa493a69ef6bcdb84. It is recommended to upgrade the affected component.

Affected products (as reported)

Vendor	Product	Versions
n/a	GPAC	26.08-DEV

Weakness: CWE-125, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

References

VDB-405734 | GPAC downloader.c wait_for_header_and_parse out-of-bounds vdb-entry, technical-description
VDB-405734 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-92475 | CVE Analysis and Report third-party-advisory
Submit #941761 | GPAC 26.08-DEV Memory Corruption third-party-advisory
https://github.com/gpac/gpac/issues/3859 exploit, issue-tracking
https://github.com/gpac/gpac/commit/c74a3065038ede35c1c7b75fa493a69ef6bcdb84 patch
https://github.com/gpac/gpac/releases/tag/abi-16.26 patch
https://github.com/gpac/gpac/ product