Use After Free Vulnerability in GPAC BIFS Handler
CVE-2026-92473

4.8MEDIUM

Key Information:

Vendor

GPAC

Status
Gpac
Vendor
CVE Published:
16 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-92473?

A use after free vulnerability was detected in GPAC 26.08-DEV, specifically within the gf_sg_command_del function in the BIFS Handler component. This flaw allows a local attacker to manipulate the application, potentially leading to execution of unintended commands. The exploit is publicly available, emphasizing the importance of an immediate upgrade to version abi-16.24, which addresses the vulnerability with patch identifier e34f4ba349d55cd1849f0bcf4cf46552732e2db7. Users of affected versions should take prompt action to mitigate risks associated with this vulnerability.

Affected Version(s)

GPAC 26.08-DEV

GPAC abi-16.24

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-2026-92473 - Proof of Concept

References

https://vuldb.com/vuln/405732
vdb-entrytechnical-description
https://vuldb.com/vuln/405732/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-92473
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
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

fczhang (VulDB User)
.