CVE-2024-14042

Open5GS Diameter S6a hss-s6a-path.c hss_ogs_diam_s6a_ulr_cb stack-based overflow

State: Published
Severity: 5.3 Medium
Published: Aug 11, 2026
Updated: Aug 12, 2026
Reserved: Aug 9, 2026

Description

A vulnerability was found in Open5GS up to 2.7.1. This affects the function hss_ogs_diam_s6a_air_cb/hss_ogs_diam_s6a_ulr_cb of the file src/hss/hss-s6a-path.c of the component Diameter S6a Interface. Performing a manipulation of the argument os.len results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made public and could be used. Upgrading to version 2.7.2 is able to mitigate this issue. The patch is named e89aa79efe629ae90f59dcdf8847c117d9a7da86. It is suggested to upgrade the affected component.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
3.0	6.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-121 Stack-based Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
Open5GSn/a	2.7.0Affected 2.7.1Affected 2.7.2Not affected

References

VDB-387280 | Open5GS Diameter S6a hss-s6a-path.c hss_ogs_diam_s6a_ulr_cb stack-based overflowvdb-entrytechnical-description
VDB-387280 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2024-14042 | CVE Analysis and Reportthird-party-advisory
Submit #867105 | Open5GS v2.7.2 Memory Corruptionthird-party-advisory
https://github.com/open5gs/open5gs/issues/3155issue-tracking
https://github.com/open5gs/open5gs/files/15051218/capture.pcap.gzexploit
https://github.com/open5gs/open5gs/commit/e89aa79efe629ae90f59dcdf8847c117d9a7da86patch
https://github.com/open5gs/open5gs/releases/tag/v2.7.2patch
https://github.com/open5gs/open5gs/product

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