cvedb.io
CVE-2026-56099
MEDIUM · CVSS 5.3
EPSS exploitation probability: 0%
Published 2026-06-18T20:16:15.370 · Last modified 2026-06-27T23:53:35.050

Summary

OpenBSD before commit 6a23123 (2026-06-18) contains an out-of-bounds read vulnerability in the mpls_do_error function within sys/netmpls/mpls_input.c that allows remote attackers to disclose kernel stack memory by sending crafted MPLS frames with 16 labels and no Bottom-of-Stack bit set.

Affected products

openbsd — openbsd

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.