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CVE-2026-42790 nameConstraints DNS bypass via subject CommonName fallback in public_key hostname verification
| Reporter | Title | Published | Views | Family All 29 |
|---|---|---|---|---|
 | Erlang/OTP -- TLS hostname verification bypass via Subject CommonName fallback and name constraints | 27 May 202600:00 | – | freebsd |
 | CVE-2026-42790 | 27 May 202615:09 | – | attackerkb |
 | CVE-2026-42790 affecting package erlang for versions less than 26.2.5.21-1 | 10 Jun 202602:46 | – | cbl_mariner |
 | Erlang/OTP 安全漏洞 | 27 May 202600:00 | – | cnnvd |
 | CVE-2026-42790 | 27 May 202615:09 | – | cve |
 | CVE-2026-42790 | 27 May 202615:09 | – | debiancve |
 | Erlang/OTP 19.3 < 26.2.5.21 / 27.0 < 27.3.4.12 / 28.0 < 28.5.0.1 / 29.0 < 29.0.1 DNS nameConstraints Bypass (CVE-2026-42790) | 29 May 202600:00 | – | nessus |
| FreeBSD : Erlang/OTP -- TLS hostname verification bypass via Subject CommonName fallback and name constraints (93576148-5a54-11f1-b886-4c526214c986) | 28 May 202600:00 | – | nessus |
| openSUSE 16 Security Update : erlang (openSUSE-SU-2026:20907-1) | 11 Jun 202600:00 | – | nessus |
| Photon OS 5.0: Erlang PHSA-2026-5.0-0883 | 20 Jun 202600:00 | – | nessus |
10
[
{
"cpes": [
"cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"modules": [
"pubkey_cert",
"public_key"
],
"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_cert.erl",
"src/public_key.erl"
],
"programRoutines": [
{
"name": "pubkey_cert:validate_names/6"
},
{
"name": "public_key:pkix_verify_hostname/3"
}
],
"repo": "https://github.com/erlang/otp",
"vendor": "Erlang",
"versions": [
{
"changes": [
{
"at": "1.15.1.7",
"status": "unaffected"
},
{
"at": "1.17.1.3",
"status": "unaffected"
},
{
"at": "1.20.3.1",
"status": "unaffected"
},
{
"at": "1.21.1",
"status": "unaffected"
}
],
"lessThan": "*",
"status": "affected",
"version": "1.4",
"versionType": "otp"
}
]
},
{
"collectionURL": "https://github.com",
"cpes": [
"cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"modules": [
"pubkey_cert",
"public_key"
],
"packageName": "erlang/otp",
"packageURL": "pkg:github/erlang/otp",
"product": "OTP",
"programFiles": [
"lib/public_key/src/pubkey_cert.erl",
"lib/public_key/src/public_key.erl"
],
"programRoutines": [
{
"name": "pubkey_cert:validate_names/6"
},
{
"name": "public_key:pkix_verify_hostname/3"
}
],
"repo": "https://github.com/erlang/otp",
"vendor": "Erlang",
"versions": [
{
"changes": [
{
"at": "26.2.5.21",
"status": "unaffected"
},
{
"at": "27.3.4.12",
"status": "unaffected"
},
{
"at": "28.5.0.1",
"status": "unaffected"
},
{
"at": "29.0.1",
"status": "unaffected"
}
],
"lessThan": "*",
"status": "affected",
"version": "19.3",
"versionType": "otp"
},
{
"changes": [
{
"at": "0769050c69d73762672b0db1347b6993a5b31759",
"status": "unaffected"
},
{
"at": "fb67c6d1836f51105a96d8b769e71e4215a79457",
"status": "unaffected"
},
{
"at": "21abed64eb2026b5f82f432709e4e932f9be389a",
"status": "unaffected"
}
],
"lessThan": "*",
"status": "affected",
"version": "b0c245e8132bb13171e277b1af59c0cec00c9459",
"versionType": "git"
}
]
}
]Data
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28 May 2026 04:39Current
CVSS 47.6
EPSS0.00231