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CVE-2026-59251

Allocation of resources without limits in Erlang/OTP public_key certificate path validation allows a remote unauthenticated attacker to cause denial of service by sending a crafted X.509 certificate chain during the TLS handshake. During RFC 5280 policy processing in public_key:pkix_path_validation/3, the certificate policy tree maintained by pubkey_policy_tree grows without an upper bound. When a certificate chain contains M policies per certificate and K certificates, the tree grows on the or
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c8d2a294d715d46a7b629106018297d661c82cf7bf4661784bc4130a84c3b42a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["pubkey_policy_tree"],"packageName":"public_key","packageURL":"pkg:otp/public_key?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%20https:%2F%2Fgithub.com%2Ferlang%2Fotp.git","product":"OTP","programFiles":["src/pubkey_policy_tree.erl"],"programRoutines":[{"name":"pubkey_policy_tree:add_leaves/2"},{"name":"pubkey_policy_tree:add_leaf_siblings/2"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"changes":[{"at":"1.21.4","status":"unaffected"},{"at":"1.20.3.4"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d1bfc70383d6dbc19fc0d8c9a64c73b81a7ba5d7ec9a6e596c828c19457bd064 · sha256:cd11e2c8d7e2cd8d… · /containers/cna/affected/0

{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["pubkey_policy_tree"],"packageName":"erlang/otp","packageURL":"pkg:github/erlang/otp","product":"OTP","programFiles":["lib/public_key/src/pubkey_policy_tree.erl"],"programRoutines":[{"name":"pubkey_policy_tree:add_leaves/2"},{"name":"pubkey_policy_tree:add_leaf_siblings/2"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"changes":[{"at":"29.0.4","status":"unaffected"},{"at":"28.5.0.4","status":"unaffected"},{"at":"27.3.4.15","status":"un…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d1bfc70383d6dbc19fc0d8c9a64c73b81a7ba5d7ec9a6e596c828c19457bd064 · sha256:cd11e2c8d7e2cd8d… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["pubkey_policy_tree"],"packageName":"public_key","packageURL":"pkg:otp/public_key?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%20https:%2F%2Fgithub.com%2Ferlang%2Fotp.git","product":"OTP","programFiles":["src/pubkey_policy_tree.erl"],"programRoutines":[{"name":"pubkey_policy_tree:add_leaves/2"},{"name":"pubkey_policy_tree:add_leaf_siblings/2"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"changes":[{"at":"1.21.4","status":"unaffected"},{"at":"1.20.3.4"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d1bfc70383d6dbc19fc0d8c9a64c73b81a7ba5d7ec9a6e596c828c19457bd064 · sha256:cd11e2c8d7e2cd8d… · /containers/cna/affected/0
{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["pubkey_policy_tree"],"packageName":"erlang/otp","packageURL":"pkg:github/erlang/otp","product":"OTP","programFiles":["lib/public_key/src/pubkey_policy_tree.erl"],"programRoutines":[{"name":"pubkey_policy_tree:add_leaves/2"},{"name":"pubkey_policy_tree:add_leaf_siblings/2"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"changes":[{"at":"29.0.4","status":"unaffected"},{"at":"28.5.0.4","status":"unaffected"},{"at":"27.3.4.15","status":"un…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d1bfc70383d6dbc19fc0d8c9a64c73b81a7ba5d7ec9a6e596c828c19457bd064 · sha256:cd11e2c8d7e2cd8d… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","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:L","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d1bfc70383d6dbc19fc0d8c9a64c73b81a7ba5d7ec9a6e596c828c19457bd064 · sha256:cd11e2c8d7e2cd8d… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d1bfc70383d6dbc19fc0d8c9a64c73b81a7ba5d7ec9a6e596c828c19457bd064 · sha256:cd11e2c8d7e2cd8d… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions
{"tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-59251.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d1bfc70383d6dbc19fc0d8c9a64c73b81a7ba5d7ec9a6e596c828c19457bd064 · sha256:cd11e2c8d7e2cd8d… · /containers/cna/references/1
{"tags":["patch"],"url":"https://github.com/erlang/otp/commit/f04c6bba38de1cf1b1836a7d9a9fbe239bd939e8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d1bfc70383d6dbc19fc0d8c9a64c73b81a7ba5d7ec9a6e596c828c19457bd064 · sha256:cd11e2c8d7e2cd8d… · /containers/cna/references/5
{"tags":["patch"],"url":"https://github.com/erlang/otp/commit/f8580fc117098c08165f46c26fd0750c5cfb2a90"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d1bfc70383d6dbc19fc0d8c9a64c73b81a7ba5d7ec9a6e596c828c19457bd064 · sha256:cd11e2c8d7e2cd8d… · /containers/cna/references/4
{"tags":["vendor-advisory","related"],"url":"https://github.com/erlang/otp/security/advisories/GHSA-622p-qfh6-c352"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d1bfc70383d6dbc19fc0d8c9a64c73b81a7ba5d7ec9a6e596c828c19457bd064 · sha256:cd11e2c8d7e2cd8d… · /containers/cna/references/0
{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-59251"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d1bfc70383d6dbc19fc0d8c9a64c73b81a7ba5d7ec9a6e596c828c19457bd064 · sha256:cd11e2c8d7e2cd8d… · /containers/cna/references/2
{"tags":["x_version-scheme"],"url":"https://www.erlang.org/doc/system/versions.html#order-of-versions"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d1bfc70383d6dbc19fc0d8c9a64c73b81a7ba5d7ec9a6e596c828c19457bd064 · sha256:cd11e2c8d7e2cd8d… · /containers/cna/references/3

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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