CVE-2026-56099
MEDIUM
NVD
CVSS Score
5.3
Severity
MEDIUM
Published
Jun 18, 2026
Vendor
unknown
Description
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.