Resource Allocation Vulnerability in GPAC by GPAC
CVE-2026-8124

4.8MEDIUM

Key Information:

Vendor

GPAC

Status
Gpac
Vendor
CVE Published:
8 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8124?

A vulnerability in GPAC's sidx_box_read function within src/isomedia/box_code_base.c has been identified, which enables local attackers to manipulate resource allocation. This flaw could potentially be exploited to disrupt the services offered by affected systems. To mitigate risks, it is recommended that users apply the provided patch, identified by commit 442e2299530138d8f874fd885c565ba98a6318ba. Ensure your GPAC installation is updated to safeguard against possible exploits.

Affected Version(s)

GPAC 26.02

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-2026-8124 - Proof of Concept

References

https://vuldb.com/vuln/361914
vdb-entrytechnical-description
https://vuldb.com/vuln/361914/cti
signaturepermissions-required
https://vuldb.com/submit/808611
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

Lucian-2333 (VulDB User)
.