CVE-2026-40510: opensc project opensc

csirt@kutim:~/threat-intel/cve/CVE-2026-40510

CVSS 6.8 · Medium EPSS 0,25%

Kerentanan Stack-based Buffer Overflow pada opensc project opensc. Skor CVSS 3.1 6.8 (Medium) menurut NVD.

Deskripsi (NVD)

OpenSC before 0.27.0-rc1, fixed in commit 3f24f0b, contains a stack buffer overflow vulnerability in piv_process_history() in src/libopensc/card-piv.c that allows physically present attackers to trigger memory corruption by presenting a crafted PIV smart card or USB device returning a URL field longer than 118 bytes in the Key History Object ASN.1 response.

Rincian

Terbit di NVD: 29 Mei 2026
Terakhir diubah: 21 Juli 2026
Status NVD: Analyzed
CVSS 3.1: 6.8 (Medium), sumber NVD
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-121: Stack-based Buffer Overflow
EPSS (30 hari): 0,25% peluang dieksploitasi; lebih tinggi dari 15,7% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
opensc project	opensc	Semua versi sebelum 0.27.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/OpenSC/OpenSC/commit/3f24f0b48a481a8cf2e46059d8238a283ddc1c13 patch
https://github.com/OpenSC/OpenSC/pull/3558 issue tracking · patch
https://www.vulncheck.com/advisories/opensc-stack-buffer-overflow-via-piv-process-history-in-card-piv-c advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.