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CVE-2026-75803 AEAD Forgeries with Empty Ciphertext When Using EVP_Cipher()

🗓️ 25 Aug 2026 13:00:25Reported by opensslType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

OpenSSL EVP_Cipher() skips AEAD tag check on empty ciphertext for ChaCha20-Poly1305 and AES-OCB.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
OpenSSL -- Multiple vulnerabilities
25 Aug 202600:00
freebsd
cve
CVE
CVE-2026-75803
25 Aug 202613:00
cve
debiancve
Debian CVE
CVE-2026-75803
25 Aug 202613:00
debiancve
euvd
EUVD
EUVD-2026-65488
25 Aug 202613:00
euvd
nvd
NVD
CVE-2026-75803
25 Aug 202613:19
nvd
osv
OSV
DEBIAN-CVE-2026-75803
20 Aug 202613:47
osv
osv
OSV
ECHO-F836-71CF-434B
20 Aug 202616:06
osv
osv
OSV
UBUNTU-CVE-2026-75803
25 Aug 202600:00
osv
ptsecurity
Positive Technologies
PT-2026-81308
25 Aug 202600:00
ptsecurity
ubuntucve
UbuntuCve
CVE-2026-75803
25 Aug 202600:00
ubuntucve
Rows per page
[
  {
    "defaultStatus": "unaffected",
    "product": "OpenSSL",
    "vendor": "OpenSSL",
    "versions": [
      {
        "lessThan": "4.0.2",
        "status": "affected",
        "version": "4.0.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.6.4",
        "status": "affected",
        "version": "3.6.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.5.8",
        "status": "affected",
        "version": "3.5.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.4.7",
        "status": "affected",
        "version": "3.4.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.0.22",
        "status": "affected",
        "version": "3.0.0",
        "versionType": "semver"
      }
    ]
  }
]

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