CVE-2026-40510

6.8 Moyenne

Publiée le 29/05/2026 à 16:16 · Modifiée le 21/07/2026 à 14:10 · Analysée par le NVD · Source : disclosure@vulncheck.com

Description

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.

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Produits concernés

Scores CVSS

Version	Score	Source	Vecteur
4.0	1.0 Faible	disclosure@vulncheck.com	`CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X`
3.1	3.8 Faible	disclosure@vulncheck.com	`CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L`
3.1	6.8 Moyenne	nvd@nist.gov (NVD)	`CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`

Faiblesses (CWE)

CWE-121

Références

https://github.com/OpenSC/OpenSC/commit/3f24f0b48a481a8cf2e46059d8238a283ddc1c13 Patch
https://github.com/OpenSC/OpenSC/pull/3558 Issue TrackingPatch
https://www.vulncheck.com/advisories/opensc-stack-buffer-overflow-via-piv-process-history-in-card-piv-c Third Party Advisory

CVE-2026-40510

Description

Produits concernés

Scores CVSS

Faiblesses (CWE)

Références

Ailleurs