What is CVE-2024-14042?

CVE-2024-14042 is a medium-severity vulnerability in Open5gs, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-08-11.

How severe is CVE-2024-14042?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Buffer overflow in Open5gs

CVE-2024-14042

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.

Vulnerability class: Buffer Overflow

Published 2026-08-11 · last modified 2026-08-12.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.005 (40.5th percentile), scored 2026-09-26.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Open5gs — versions 2.7.0, 2.7.1, 2.7.2

Weakness classification (CWE)

References

vuldb.com/vuln/387280 (technical-description, vdb-entry)
vuldb.com/vuln/387280/cti (signature, permissions-required)
vuldb.com/cve/CVE-2024-14042 (third-party-advisory)
vuldb.com/submit/867105 (third-party-advisory)
github.com/open5gs/open5gs/issues/3155 (issue-tracking)
github.com/open5gs/open5gs/files/15051218/capture.pcap.gz (exploit)
github.com/open5gs/open5gs/commit/e89aa79efe629ae90f59dcdf8847c117d9a7da86 (patch)
github.com/open5gs/open5gs/releases/tag/v2.7.2 (patch)
github.com/open5gs/open5gs/ (product)

Frequently asked questions

What is CVE-2024-14042?: CVE-2024-14042 is a medium-severity vulnerability in Open5gs, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-08-11.
How severe is CVE-2024-14042?: Medium severity. CVSS v3 base score is 6.3 out of 10.