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CVE-2026-105236 TLS 1.2 session resumption in ssl crosses SNI virtual-host client-certificate trust boundaries

🗓️ 14 Oct 2026 16:55:51Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Improper Certificate Validation in Erlang/OTP ssl allows cross-SNI session resumption.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-105236
14 Oct 202622:43
–circl
cve
CVE
CVE-2026-105236
14 Oct 202616:55
–cve
euvd
EUVD
EUVD-2026-101387
14 Oct 202616:55
–euvd
nvd
NVD
CVE-2026-105236
14 Oct 202617:18
–nvd
osv
OSV
EEF-CVE-2026-105236 TLS 1.2 session resumption in ssl crosses SNI virtual-host client-certificate trust boundaries
14 Oct 202616:55
–osv
[
  {
    "cpes": [
      "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "ssl_gen_statem",
      "ssl_config",
      "ssl_session",
      "ssl_handshake"
    ],
    "packageName": "otp",
    "packageURL": "pkg:software-id/erlang.org/otp",
    "product": "OTP",
    "programFiles": [
      "lib/ssl/src/ssl_gen_statem.erl",
      "lib/ssl/src/ssl_config.erl",
      "lib/ssl/src/ssl_session.erl",
      "lib/ssl/src/ssl_handshake.erl"
    ],
    "programRoutines": [
      {
        "name": "ssl_gen_statem:handle_sni_extension/2"
      },
      {
        "name": "ssl_gen_statem:handle_sni_hostname/2"
      },
      {
        "name": "ssl_gen_statem:update_ssl_options_from_sni/2"
      },
      {
        "name": "ssl_gen_statem:fallback_options/2"
      },
      {
        "name": "ssl_config:update_options/3"
      },
      {
        "name": "ssl_config:opt_reuse_sessions/3"
      },
      {
        "name": "ssl_session:server_select_session/5"
      },
      {
        "name": "ssl_session:is_resumable/4"
      },
      {
        "name": "ssl_session:reusable_options/2"
      },
      {
        "name": "ssl_handshake:select_session/8"
      }
    ],
    "vendor": "Erlang",
    "versions": [
      {
        "changes": [
          {
            "at": "27.3.4.19",
            "status": "unaffected"
          },
          {
            "at": "28.5.0.8",
            "status": "unaffected"
          },
          {
            "at": "29.1.2",
            "status": "unaffected"
          }
        ],
        "lessThan": "*",
        "status": "affected",
        "version": "18.0",
        "versionType": "otp"
      }
    ]
  },
  {
    "cpes": [
      "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "ssl_gen_statem",
      "ssl_config",
      "ssl_session",
      "ssl_handshake"
    ],
    "packageName": "ssl",
    "packageURL": "pkg:otp/ssl?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Ferlang%2Fotp.git",
    "product": "OTP",
    "programFiles": [
      "src/ssl_gen_statem.erl",
      "src/ssl_config.erl",
      "src/ssl_session.erl",
      "src/ssl_handshake.erl"
    ],
    "programRoutines": [
      {
        "name": "ssl_gen_statem:handle_sni_extension/2"
      },
      {
        "name": "ssl_gen_statem:handle_sni_hostname/2"
      },
      {
        "name": "ssl_gen_statem:update_ssl_options_from_sni/2"
      },
      {
        "name": "ssl_gen_statem:fallback_options/2"
      },
      {
        "name": "ssl_config:update_options/3"
      },
      {
        "name": "ssl_config:opt_reuse_sessions/3"
      },
      {
        "name": "ssl_session:server_select_session/5"
      },
      {
        "name": "ssl_session:is_resumable/4"
      },
      {
        "name": "ssl_session:reusable_options/2"
      },
      {
        "name": "ssl_handshake:select_session/8"
      }
    ],
    "repo": "https://github.com/erlang/otp",
    "vendor": "Erlang",
    "versions": [
      {
        "changes": [
          {
            "at": "11.2.12.14",
            "status": "unaffected"
          },
          {
            "at": "11.6.0.7",
            "status": "unaffected"
          },
          {
            "at": "11.7.8",
            "status": "unaffected"
          }
        ],
        "lessThan": "*",
        "status": "affected",
        "version": "7.0",
        "versionType": "otp"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "ssl_gen_statem",
      "ssl_config",
      "ssl_session",
      "ssl_handshake"
    ],
    "packageName": "erlang/otp",
    "packageURL": "pkg:github/erlang/otp",
    "product": "OTP",
    "programFiles": [
      "lib/ssl/src/ssl_gen_statem.erl",
      "lib/ssl/src/ssl_config.erl",
      "lib/ssl/src/ssl_session.erl",
      "lib/ssl/src/ssl_handshake.erl"
    ],
    "programRoutines": [
      {
        "name": "ssl_gen_statem:handle_sni_extension/2"
      },
      {
        "name": "ssl_gen_statem:handle_sni_hostname/2"
      },
      {
        "name": "ssl_gen_statem:update_ssl_options_from_sni/2"
      },
      {
        "name": "ssl_gen_statem:fallback_options/2"
      },
      {
        "name": "ssl_config:update_options/3"
      },
      {
        "name": "ssl_config:opt_reuse_sessions/3"
      },
      {
        "name": "ssl_session:server_select_session/5"
      },
      {
        "name": "ssl_session:is_resumable/4"
      },
      {
        "name": "ssl_session:reusable_options/2"
      },
      {
        "name": "ssl_handshake:select_session/8"
      }
    ],
    "repo": "https://github.com/erlang/otp",
    "vendor": "Erlang",
    "versions": [
      {
        "changes": [
          {
            "at": "0c20f3683b3c81fd30b46047195be9b3d2c69d76",
            "status": "unaffected"
          },
          {
            "at": "4d76adbf39d547a931048544df09c3c087e56618",
            "status": "unaffected"
          },
          {
            "at": "10ee925d0fee8413f1170cc21bfcf123c8d22454",
            "status": "unaffected"
          }
        ],
        "lessThan": "*",
        "status": "affected",
        "version": "4fe38c4b8b2c8024afb60990e598ff823743fd54",
        "versionType": "git"
      }
    ]
  }
]

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