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CVE-2026-40528

🗓️ 29 May 2026 13:38:11Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 48 Views

CVE-2026-40528 OpenSC before 0.27.0 has stack and heap buffer overruns in do_key_value() from a crafted profile file with a key starting '=' that exceeds keybuf.

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
[
  {
    "defaultStatus": "affected",
    "packageURL": "pkg:github/OpenSC/OpenSC",
    "vendor": "OpenSC",
    "product": "OpenSC",
    "repo": "https://github.com/OpenSC/OpenSC",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThan": "0.27.0"
      },
      {
        "status": "affected",
        "version": "0",
        "versionType": "git",
        "lessThan": "0358817ec74aeca654f83e7709c7720b14c5db59"
      }
    ]
  }
]

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21 Jul 2026 12:10Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.13.8 - 7.8
CVSS 41
EPSS0.00146
SSVC
48