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Vulnerabilities CVE-2026-78156

CVE-2026-78156

Medium
Open
TLP:CLEAR

Open5GS S6a Authentication-Information-Request hss-s6a-path.c hss_ogs_diam_s6a_air_cb heap-based overflow

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Description

A security vulnerability has been detected in Open5GS 2.8.0. Affected by this issue is the function hss_ogs_diam_s6a_air_cb of the file src/hss/hss-s6a-path.c of the component S6a Authentication-Information-Request Handler. Such manipulation of the argument Visited-PLMN-Id leads to heap-based buffer overflow. The attack may be performed from remote. The name of the patch is a9c82ee0b590d76a581b0580cb46b598984e2392. A patch should be applied to remediate this issue.

Details

CVSS Score
5.3
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P
Confidence
90%
Published
Aug 23, 2026
Last Modified
Aug 23, 2026
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