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.
https://vuldb.com/vuln/387280/cti
https://vuldb.com/submit/867105
https://vuldb.com/cve/CVE-2024-14042
https://github.com/open5gs/open5gs/releases/tag/v2.7.2
https://github.com/open5gs/open5gs/issues/3155
https://github.com/open5gs/open5gs/files/15051218/capture.pcap.gz
https://github.com/open5gs/open5gs/commit/e89aa79efe629ae90f59dcdf8847c117d9a7da86
Published: 2026-08-11
Updated: 2026-08-12
Base Score: 6.5
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P
Severity: Medium
Base Score: 6.3
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Severity: Medium
Base Score: 5.3
Vector: 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
Severity: Medium
EPSS: 0.00482