Buffer Over-Read Vulnerability in GPAC's MP4Box Component
CVE-2026-90610

4.8MEDIUM

Key Information:

Vendor

GPAC

Status
Gpac
Vendor
CVE Published:
14 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90610?

A vulnerability exists in GPAC's MP4Box component within the gf_svg_attributes_copy function, located in the svg_attributes.c file. This vulnerability leads to a buffer over-read situation when manipulated. The exploit requires local access, making it critical for users to upgrade to version abi-16.23 to address this issue. Public knowledge of this exploit has raised concerns regarding potential misuse, thus it is strongly recommended to implement the available patch which is identified as afca1f1181668d85941d51ed1adf647807d5d975.

Affected Version(s)

GPAC f1219cde

GPAC abi-16.23

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-2026-90610 - Proof of Concept

References

https://vuldb.com/vuln/403192
vdb-entrytechnical-description
https://vuldb.com/vuln/403192/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90610
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

r1ck9 (VulDB User)
.