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CVE-2026-77696

🗓️ 29 Sep 2026 15:32:22Reported by opensslType 
cve
 cve
🔗 web.nvd.nist.gov👁 5 Views

Timing side-channel in SM2 signature generation allows private key recovery.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-77696 Timing Side-Channel in SM2 Signature Generation
29 Sep 202615:32
–cvelist
euvd
EUVD
EUVD-2026-89012
29 Sep 202615:32
–euvd
nvd
NVD
CVE-2026-77696
29 Sep 202616:17
–nvd
openssl
OpenSSL
Timing Side-Channel in SM2 Signature Generation
29 Sep 202600:00
–openssl
redhatcve
RedhatCVE
CVE-2026-77696
29 Sep 202617:24
–redhatcve
vulnrichment
Vulnrichment
CVE-2026-77696 Timing Side-Channel in SM2 Signature Generation
29 Sep 202615:32
–vulnrichment
Vulners
Node
OR
opensslopensslRange4.0.0–4.0.3
opensslopensslRange3.6.0–3.6.5
opensslopensslRange3.5.0–3.5.9
opensslopensslRange3.4.0–3.4.8
opensslopensslRange3.0.0–3.0.23
opensslopensslRange1.1.1–1.1.1zj
[
  {
    "defaultStatus": "unaffected",
    "product": "OpenSSL",
    "vendor": "OpenSSL",
    "versions": [
      {
        "lessThan": "4.0.3",
        "status": "affected",
        "version": "4.0.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.6.5",
        "status": "affected",
        "version": "3.6.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.5.9",
        "status": "affected",
        "version": "3.5.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.4.8",
        "status": "affected",
        "version": "3.4.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.0.23",
        "status": "affected",
        "version": "3.0.0",
        "versionType": "semver"
      },
      {
        "lessThan": "1.1.1zj",
        "status": "affected",
        "version": "1.1.1",
        "versionType": "custom"
      }
    ]
  }
]

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29 Sep 2026 17:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.13.7
SSVC
5