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EUVD-2026-39547

🗓️ 25 Jun 2026 19:36:21Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 36 Views

Out-of-bounds heap read in SM2/SM3 certificate verification for keys shorter than 65 bytes.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-12340
25 Jun 202619:36
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-12340
25 Jun 202619:36
–alpinelinux
anthropic
Anthropic
ANT-2026-87DJGDRB · wolfssl · Heap-buffer-overflow
17 Aug 202617:47
–anthropic
cve
CVE
CVE-2026-12340
25 Jun 202619:36
–cve
cvelist
Cvelist
CVE-2026-12340 Out-of-bounds heap read in SM2/SM3 certificate Subject Key Identifier computation
25 Jun 202619:36
–cvelist
debiancve
Debian CVE
CVE-2026-12340
25 Jun 202619:36
–debiancve
mend
Mend
CVE-2026-12340
25 Jun 202619:36
–mend
nvd
NVD
CVE-2026-12340
25 Jun 202620:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-12340
25 Jun 202620:17
–osv_debian
osv_jlsec
osv_jlsec
JLSEC-2026-700 Out-of-bounds heap read during SM2/SM3 certificate signature verification
14 Jul 202621:41
–osv_jlsec
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "dbcc4bff-b3c2-37c2-bcf7-ead64c58918d",
        "vendor": {
          "name": "wolfSSL"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "0be0b792-923d-3f07-98e0-b488e2b19cf3",
        "product": {
          "name": "wolfSSL",
          "vendor": {
            "name": "wolfSSL"
          }
        },
        "product_version": "5.6.4 ≤5.9.1"
      }
    ]
  }
]

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25 Jun 2026 19:36Current
6Medium risk
Vulners AI Score6
CVSS 46.3
EPSS0.00298
36