Out-of-Bounds Read Vulnerability in GPAC by GPAC Development Team
CVE-2026-92475

4.8MEDIUM

Key Information:

Vendor

GPAC Development Team

Status
Gpac
Vendor
CVE Published:
16 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-92475?

A significant weakness has been discovered in GPAC version 26.08-DEV, specifically affecting the function wait_for_header_and_parse in the src/utils/downloader.c file. This vulnerability allows attackers with local access to manipulate the Content-Range argument, resulting in an out-of-bounds read condition. This flaw has been exploited publicly, underscoring the urgency for affected users to upgrade to version abi-16.26, which contains a necessary security patch (commit c74a3065038ede35c1c7b75fa493a69ef6bcdb84) to mitigate the risk.

Affected Version(s)

GPAC 26.08-DEV

GPAC abi-16.26

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-92475 - Proof of Concept

References

https://vuldb.com/vuln/405734
vdb-entrytechnical-description
https://vuldb.com/vuln/405734/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-92475
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

dutch (VulDB User)
.