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CVE-2026-5503

🗓️ 09 Apr 2026 22:35:39Reported by wolfSSLType 
cve
 cve
🔗 web.nvd.nist.gov👁 31 Views

CVE-2026-5503 SNI pollution triggers out-of-bounds write in TLSX_EchChangeSNI via attacker controlled publicName.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-5503
9 Apr 202622:35
attackerkb
AlpineLinux
CVE-2026-5503
9 Apr 202622:35
alpinelinux
Anthropic
ANT-2026-0JRYQPCF · wolfSSL · heap-buffer-overflow
29 Mar 202620:42
anthropic
CNNVD
wolfSSL(CyaSSL) 安全漏洞
9 Apr 202600:00
cnnvd
Cvelist
CVE-2026-5503 out-of-bounds write in TLSX_EchChangeSNI via attacker-controlled publicName
9 Apr 202622:35
cvelist
Debian CVE
CVE-2026-5503
9 Apr 202622:35
debiancve
EUVD
EUVD-2026-21234
10 Apr 202600:30
euvd
NVD
CVE-2026-5503
9 Apr 202623:17
nvd
OSV
DEBIAN-CVE-2026-5503
9 Apr 202623:17
osv
OSV
UBUNTU-CVE-2026-5503
9 Apr 202623:17
osv
Rows per page
NVD
Node
wolfsslwolfsslRange5.9.0
[
  {
    "vendor": "wolfSSL",
    "product": "wolfSSL",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThanOrEqual": "5.9.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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17 Jun 2026 10:59Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.19.1
CVSS 46.9
EPSS0.00355
SSVC
31