CVE-2026-58227 (GCVE-0-2026-58227)

Vulnerability from cvelistv5 – Published: 2026-07-27 14:39 – Updated: 2026-07-28 09:53
VLAI
Title
TLS/DTLS denial of service via unbounded recursion on cross-signed peer certificate chain
Summary
The Erlang/OTP ssl application does not detect cycles when reconstructing an incomplete peer certificate chain during a TLS or DTLS handshake. In ssl_certificate:handle_incomplete_chain/5, the received chain is passed to ssl_certificate:build_certificate_chain/5, which walks issuer relationships via ssl_certificate:do_certificate_chain/7 with no cycle detection and no depth limit. When the peer supplies two mutually cross-signed certificates in unordered form (A issues B, B issues A), the issuer lookup alternates between the two certificates and the pair of functions recurses indefinitely, growing the call stack and chain accumulator without bound. An unauthenticated remote attacker can send a crafted certificate chain in a TLS or DTLS Certificate handshake message to exhaust available memory and crash the BEAM node. Only a TCP connection and a partial handshake are required; no authentication or completed handshake is needed, and both TLS/DTLS servers and clients are affected when processing peer certificate messages. This issue affects OTP from OTP 23.2 before OTP 29.0.4, OTP 28.5.0.4 and OTP 27.3.4.15, corresponding to ssl from 10.2 before 11.7.4, 11.6.0.4 and 11.2.12.11.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
EEF
References
Impacted products
Vendor Product Version
Erlang OTP Affected: 10.2 , < * (otp)
    cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:*
 Create a notification for this product.
Erlang OTP Affected: 23.2 , < * (otp)
Affected: addc42df113f8f15fc20e9dff45490b3ce0d3d6b , < * (git)
    cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Lukas Backström Ingela Anderton Andin Dan Gudmundsson Jakub Witczak John Högberg
Show details on NVD website
To clipboard 

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\"remediation reviewer\", \"value\": \"Jakub Witczak\"}, {\"lang\": \"en\", \"type\": \"remediation reviewer\", \"value\": \"John H\\u00f6gberg\"}], \"impacts\": [{\"capecId\": \"CAPEC-130\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-130 Excessive Allocation\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 8.7, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:erlang:erlang\\\\/otp:*:*:*:*:*:*:*:*\"], \"repo\": \"https://github.com/erlang/otp\", \"vendor\": \"Erlang\", \"modules\": [\"ssl_certificate\"], \"product\": \"OTP\", \"versions\": [{\"status\": \"affected\", \"changes\": [{\"at\": \"11.7.4\", \"status\": \"unaffected\"}, {\"at\": \"11.6.0.4\", \"status\": \"unaffected\"}, {\"at\": \"11.2.12.11\", \"status\": \"unaffected\"}], \"version\": \"10.2\", \"lessThan\": \"*\", \"versionType\": \"otp\"}], \"packageURL\": \"pkg:otp/ssl?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp\u0026vcs_url=git%20https:%2F%2Fgithub.com%2Ferlang%2Fotp.git\", \"packageName\": \"ssl\", \"programFiles\": [\"src/ssl_certificate.erl\"], \"defaultStatus\": \"unaffected\", \"programRoutines\": [{\"name\": \"ssl_certificate:handle_incomplete_chain/5\"}, {\"name\": \"ssl_certificate:build_certificate_chain/5\"}, {\"name\": \"ssl_certificate:do_certificate_chain/7\"}]}, {\"cpes\": [\"cpe:2.3:a:erlang:erlang\\\\/otp:*:*:*:*:*:*:*:*\"], \"repo\": \"https://github.com/erlang/otp\", \"vendor\": \"Erlang\", \"modules\": [\"ssl_certificate\"], \"product\": \"OTP\", \"versions\": [{\"status\": \"affected\", \"changes\": [{\"at\": \"29.0.4\", \"status\": \"unaffected\"}, {\"at\": \"28.5.0.4\", \"status\": \"unaffected\"}, {\"at\": \"27.3.4.15\", \"status\": \"unaffected\"}], \"version\": \"23.2\", \"lessThan\": \"*\", \"versionType\": \"otp\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"7db64720177961e04545681480d691c4be81c54d\", \"status\": \"unaffected\"}, {\"at\": \"241d43703989fec4b6bf637beaeb366d92dcc4c2\", \"status\": \"unaffected\"}, {\"at\": \"0307bff2c72b685c6bd952daaac6bd661c247d62\", \"status\": \"unaffected\"}], \"version\": \"addc42df113f8f15fc20e9dff45490b3ce0d3d6b\", \"lessThan\": \"*\", \"versionType\": \"git\"}], \"packageURL\": \"pkg:github/erlang/otp\", \"packageName\": \"erlang/otp\", \"programFiles\": [\"lib/ssl/src/ssl_certificate.erl\"], \"collectionURL\": \"https://github.com\", \"defaultStatus\": \"unaffected\", \"programRoutines\": [{\"name\": \"ssl_certificate:handle_incomplete_chain/5\"}, {\"name\": \"ssl_certificate:build_certificate_chain/5\"}, {\"name\": \"ssl_certificate:do_certificate_chain/7\"}]}], \"references\": [{\"url\": \"https://github.com/erlang/otp/security/advisories/GHSA-r5jr-mq46-vmhw\", \"tags\": [\"vendor-advisory\", \"related\"]}, {\"url\": \"https://cna.erlef.org/cves/CVE-2026-58227.html\", \"tags\": [\"related\"]}, {\"url\": \"https://osv.dev/vulnerability/EEF-CVE-2026-58227\", \"tags\": [\"related\"]}, {\"url\": \"https://www.erlang.org/doc/system/versions.html#order-of-versions\", \"tags\": [\"x_version-scheme\"]}, {\"url\": \"https://github.com/erlang/otp/commit/0307bff2c72b685c6bd952daaac6bd661c247d62\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/erlang/otp/commit/241d43703989fec4b6bf637beaeb366d92dcc4c2\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/erlang/otp/commit/7db64720177961e04545681480d691c4be81c54d\", \"tags\": [\"patch\"]}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"The Erlang/OTP ssl application does not detect cycles when reconstructing an incomplete peer certificate chain during a TLS or DTLS handshake. In ssl_certificate:handle_incomplete_chain/5, the received chain is passed to ssl_certificate:build_certificate_chain/5, which walks issuer relationships via ssl_certificate:do_certificate_chain/7 with no cycle detection and no depth limit. When the peer supplies two mutually cross-signed certificates in unordered form (A issues B, B issues A), the issuer lookup alternates between the two certificates and the pair of functions recurses indefinitely, growing the call stack and chain accumulator without bound.\\n\\nAn unauthenticated remote attacker can send a crafted certificate chain in a TLS or DTLS Certificate handshake message to exhaust available memory and crash the BEAM node. Only a TCP connection and a partial handshake are required; no authentication or completed handshake is needed, and both TLS/DTLS servers and clients are affected when processing peer certificate messages.\\n\\nThis issue affects OTP from OTP 23.2 before OTP\\u00a029.0.4, OTP\\u00a028.5.0.4 and OTP\\u00a027.3.4.15, corresponding to ssl from 10.2 before 11.7.4, 11.6.0.4 and 11.2.12.11.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eThe Erlang/OTP \u003ctt\u003essl\u003c/tt\u003e application does not detect cycles when reconstructing an incomplete peer certificate chain during a TLS or DTLS handshake. In \u003ctt\u003essl_certificate:handle_incomplete_chain/5\u003c/tt\u003e, the received chain is passed to \u003ctt\u003essl_certificate:build_certificate_chain/5\u003c/tt\u003e, which walks issuer relationships via \u003ctt\u003essl_certificate:do_certificate_chain/7\u003c/tt\u003e with no cycle detection and no depth limit. When the peer supplies two mutually cross-signed certificates in unordered form (A issues B, B issues A), the issuer lookup alternates between the two certificates and the pair of functions recurses indefinitely, growing the call stack and chain accumulator without bound.\u003c/p\u003e\u003cp\u003eAn unauthenticated remote attacker can send a crafted certificate chain in a TLS or DTLS \u003ctt\u003eCertificate\u003c/tt\u003e handshake message to exhaust available memory and crash the BEAM node. Only a TCP connection and a partial handshake are required; no authentication or completed handshake is needed, and both TLS/DTLS servers and clients are affected when processing peer certificate messages.\u003c/p\u003e\u003cp\u003eThis issue affects OTP from OTP 23.2 before OTP\u0026nbsp;29.0.4, OTP\u0026nbsp;28.5.0.4 and OTP\u0026nbsp;27.3.4.15, corresponding to ssl from 10.2 before 11.7.4, 11.6.0.4 and 11.2.12.11.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-674\", \"description\": \"CWE-674 Uncontrolled Recursion\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:erlang:erlang\\\\/otp:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"27.3.4.15\", \"versionStartIncluding\": \"23.2\"}, {\"criteria\": \"cpe:2.3:a:erlang:erlang\\\\/otp:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"28.5.0.4\", \"versionStartIncluding\": \"28.0\"}, {\"criteria\": \"cpe:2.3:a:erlang:erlang\\\\/otp:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"29.0.4\", \"versionStartIncluding\": \"29.0\"}], \"operator\": \"OR\"}], \"operator\": \"AND\"}], \"providerMetadata\": {\"orgId\": \"6b3ad84c-e1a6-4bf7-a703-f496b71e49db\", \"shortName\": \"EEF\", \"dateUpdated\": \"2026-07-28T09:53:23.614Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-58227\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-28T09:53:23.614Z\", \"dateReserved\": \"2026-06-29T18:54:08.633Z\", \"assignerOrgId\": \"6b3ad84c-e1a6-4bf7-a703-f496b71e49db\", \"datePublished\": \"2026-07-27T14:39:44.609Z\", \"assignerShortName\": \"EEF\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.