Buffer overflow vulnerability in GPAC TeXML File Parser
CVE-2026-4015

4.8MEDIUM

Key Information:

Vendor

GPAC

Status
Gpac
Vendor
CVE Published:
12 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-4015?

A vulnerability has been identified in the GPAC software, specifically within the TeXML File Parser's function 'txtin_process_texml'. This issue may allow an attacker to exploit a stack-based buffer overflow by manipulating input data. This vulnerability can potentially be executed locally, which raises concerns over application security. The exploit is publicly available, highlighting the urgency for users to apply the patch identified as d29f6f1ada5cc284cdfa783b6f532c7d8bd049a5 to mitigate the risk.

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Deploy the Patch

Affected Version(s)

GPAC 26.03-DEV

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-2026-4015 - Proof of Concept

References

https://vuldb.com/?id.350537
vdb-entrytechnical-description
https://vuldb.com/?ctiid.350537
signaturepermissions-required
https://vuldb.com/?submit.769797
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

breakingbad (VulDB User)
JSON
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