Stack-based Buffer Overflow in Open5GS Diameter S6a Interface
CVE-2024-14042

5.3MEDIUM

Key Information:

Vendor

Open5GS

Status
Open5gs
Vendor
CVE Published:
11 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-14042?

A stack-based buffer overflow vulnerability has been identified in the Diameter S6a Interface of Open5GS, affecting versions up to 2.7.1. The flaw resides within the hss_ogs_diam_s6a_air_cb and hss_ogs_diam_s6a_ulr_cb functions in the file src/hss/hss-s6a-path.c. By manipulating the argument os.len, an attacker can remotely exploit this vulnerability, potentially leading to unauthorized access or service disruption. Open5GS has released a patch in version 2.7.2 to address this issue, and it is highly recommended that users upgrade to the latest version to ensure security.

Affected Version(s)

Open5GS 2.7.0

Open5GS 2.7.1

Open5GS 2.7.2

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-2024-14042 - Proof of Concept

References

https://vuldb.com/vuln/387280
vdb-entrytechnical-description
https://vuldb.com/vuln/387280/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2024-14042
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:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

WeiYi (VulDB User)
.