Out-of-Bounds Write Vulnerability in GPAC AIT Parser
CVE-2026-109827

5.3MEDIUM

Key Information:

Vendor

GPAC

Status
Gpac
Vendor
CVE Published:
13 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-109827?

A vulnerability present in GPAC's AIT Parser allows for remote exploitation through the function gf_m2ts_decode_ait, located in src/media_tools/ait.c. This flaw can result in an out-of-bounds write, potentially leading to unauthorized memory access or application crashes. As the vulnerability has been publicly disclosed, it is crucial for users to apply the recommended patch (6d2c21a1a688abb20d0111b608db3b6f44d348f4) to mitigate risks associated with this issue.

Affected Version(s)

GPAC 26.07

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-2026-109827 - Proof of Concept

References

https://vuldb.com/vuln/417465
vdb-entrytechnical-description
https://vuldb.com/vuln/417465/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-109827
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

suyuanwang (VulDB User)
.