Description (CNA)
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 (CNA)
| Vendor / product | Versions |
|---|---|
| openbsd / src | affected 0 before 6a23123ec05f1eb29cfcaae0f3a468b2e1983cfd |
CWE
CWE-125
References
- https://pop.argus-systems.ai/advisory/adv-040.html
- https://github.com/openbsd/src/commit/6a23123ec05f1eb29cfcaae0f3a468b2e1983cfd
- https://www.vulncheck.com/advisories/openbsd-mpls-do-error-kernel-stack-memory-disclosure-via-mpls-input
ADP enrichment
No English description supplied.
No English description supplied.
No references supplied.