CVE-2026-56099 - OpenBSD mpls_do_error Kernel Stack Memory Disclosure via MPLS Input
Summary
This entry details a vulnerability found in the target system. The exploit was published on 2026-06-18 and has garnered 202 views from the community. It is classified under the local category. Users are advised to review the source code in the Detail tab for technical specifics.
Zafiyet Ozet Bilgileri
Zafiyet Detayi (Turkce)
OpenBSD, 6a23123 (2026-06-18) işlemeden önce, sys/netmpls/mpls_input.c içindeki mpls_do_error işlevinde, uzak saldırganların 16 etiketli ve Yığın Altı bit seti olmayan hazırlanmış MPLS çerçeveleri göndererek çekirdek yığın belleğini açığa çıkarmasına olanak tanıyan bir sınır dışı okuma güvenlik açığı içeriyor.
Orijinal Aciklama (Ingilizce)
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.
Download Source
Download the exploit source code for offline analysis and testing.
Download NowFile Size: ~2.6 KB | MD5: 75c0d37ec2afb6a518b90ef29e2a7cbf
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