Vulnerability · Published Aug 11, 2026 · Assigned by VulDB
CVE-2024-14042Open5GS Diameter S6a hss-s6a-path.c hss_ogs_diam_s6a_ulr_cb stack-based overflow
Medium 6.3
In plain English
A medium-severity stack buffer overflow in Open5GS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-121, CWE-119 · Vector: 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
References
- VDB-387280 | Open5GS Diameter S6a hss-s6a-path.c hss_ogs_diam_s6a_ulr_cb stack-based overflow vdb-entry, technical-description
- VDB-387280 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2024-14042 | CVE Analysis and Report third-party-advisory
- Submit #867105 | Open5GS v2.7.2 Memory Corruption third-party-advisory
- https://github.com/open5gs/open5gs/issues/3155 issue-tracking
- https://github.com/open5gs/open5gs/files/15051218/capture.pcap.gz exploit
- https://github.com/open5gs/open5gs/commit/e89aa79efe629ae90f59dcdf8847c117d9a7da86 patch
- https://github.com/open5gs/open5gs/releases/tag/v2.7.2 patch
- https://github.com/open5gs/open5gs/ product