CVE-2026-56099

Katalog CVE

CVSS 5.3 · Medium EPSS 0,50%

Kerentanan Out-of-bounds Read pada openbsd. Skor CVSS 3.1 5.3 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

18 Juni 2026

Terakhir diubah

14 Juli 2026

Status NVD

Analyzed

CVSS 3.1

5.3 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-125: Out-of-bounds Read

EPSS (30 hari)

0,50% peluang dieksploitasi; lebih tinggi dari 41,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/openbsd/src/commit/6a23123ec05f1eb29cfcaae0f3a468b2e1983cfd patch
• https://pop.argus-systems.ai/advisory/adv-040.html exploit · patch · advisory pihak ketiga
• http://seclists.org/fulldisclosure/2026/Jun/17 exploit · mailing list · patch · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2026/06/19/3 exploit · mailing list · patch · advisory pihak ketiga
• https://www.vulncheck.com/advisories/openbsd-mpls-do-error-kernel-stack-memory-disclosure-via-mpls-input advisory pihak ketiga