CVE-2026-42791 OCSP responder certificate validity period not checked in public_key

Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeyocsp module allows forged OCSP responses signed with an expired responder certificate to be accepted as valid. OCSP response verification in pubkeyocsp:verifyresponse/5 and pubkeyocsp:isauthorizedresponder/3 in...

CVE-2026-42791

Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeyocsp module allows forged OCSP responses signed with an expired responder certificate to be accepted as valid. OCSP response verification in pubkeyocsp:verifyresponse/5 and pubkeyocsp:isauthorizedresponder/3 in...

CVE-2026-42791 OCSP responder certificate validity period not checked in public_key

Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeyocsp module allows forged OCSP responses signed with an expired responder certificate to be accepted as valid. OCSP response verification in pubkeyocsp:verifyresponse/5 and pubkeyocsp:isauthorizedresponder/3 in...

CVE-2026-42791

Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeyocsp module allows forged OCSP responses signed with an expired responder certificate to be accepted as valid. OCSP response verification in pubkeyocsp:verifyresponse/5 and pubkeyocsp:isauthorizedresponder/3 in...

CVE-2026-42791

Summary: CVE-2026-42791 is an improper certificate validation weakness in Erlang OTP’s public_key/pubkey_ocsp module. OCSP response verification (pubkey_ocsp:verify_response/5 and pubkey_ocsp:is_authorized_responder/3) fails to enforce the validity period (notBefore/notAfter) of the OCSP responde...

CVE-2026-42789

Improper Following of a Certificate's Chain of Trust vulnerability in Erlang OTP publickey pubkeycert module allows a non-CA certificate to be accepted as an intermediate issuer, enabling certificate chain forgery. In lib/publickey/src/pubkeycert.erl, pubkeycert:validateextensions/7 contains two...

CVE-2026-42789

The CVE-2026-42789 entry documents a vulnerability in Erlang OTP public_key (pubkey_cert module): a certificate with basicConstraints cA:false and no keyUsage can be misused as an intermediate issuer during pkix_path_validation, enabling chain forgery. Two flaws in pubkey_cert:validate_extensions...

EEF-CVE-2026-42789 Non-CA certificate accepted as intermediate issuer in public_key path validation

Summary Improper Following of a Certificate's Chain of Trust vulnerability in Erlang OTP public\key pubkey\cert module allows a non-CA certificate to be accepted as an intermediate issuer, enabling certificate chain forgery. In lib/public\key/src/pubkey\cert.erl, pubkey\cert:validate\extensions/7...

CVE-2026-42789 Non-CA certificate accepted as intermediate issuer in public_key path validation

Improper Following of a Certificate's Chain of Trust vulnerability in Erlang OTP publickey pubkeycert module allows a non-CA certificate to be accepted as an intermediate issuer, enabling certificate chain forgery. In lib/publickey/src/pubkeycert.erl, pubkeycert:validateextensions/7 contains two...

CVE-2026-42789 Non-CA certificate accepted as intermediate issuer in public_key path validation

Improper Following of a Certificate's Chain of Trust vulnerability in Erlang OTP publickey pubkeycert module allows a non-CA certificate to be accepted as an intermediate issuer, enabling certificate chain forgery. In lib/publickey/src/pubkeycert.erl, pubkeycert:validateextensions/7 contains two...

CVE-2026-42789

Improper Following of a Certificate's Chain of Trust vulnerability in Erlang OTP publickey pubkeycert module allows a non-CA certificate to be accepted as an intermediate issuer, enabling certificate chain forgery. In lib/publickey/src/pubkeycert.erl, pubkeycert:validateextensions/7 contains two...

OpenSSH: OpenSSH: Information disclosure due to unintended cryptographic algorithm usage

A flaw was found in OpenSSH. This vulnerability allows the system to use unintended Elliptic Curve Digital Signature Algorithm ECDSA algorithms. This occurs because the configuration for accepted public key algorithms is misinterpreted, leading to the use of weaker cryptographic methods than...

Erlang/OTP 安全漏洞

Erlang/OTP is an open-source JavaScript library for handling exceptions. This library can catch exceptions caused by node.js’s built-in APIs. There is a security vulnerability in Erlang/OTP, which stems from improper certificate verification in the publickey module. This vulnerability allows...

PT-2026-43713

Name of the Vulnerable Software and Affected Versions Erlang OTP versions 27.0 through 27.3.4.11 Erlang OTP versions prior to 28.5.0.1 Erlang OTP versions prior to 29.0.1 public key versions 1.16 through 1.17.1.2 public key versions prior to 1.20.3.1 public key versions prior to 1.21.1 Descriptio...

PT-2026-44041

Name of the Vulnerable Software and Affected Versions Erlang OTP versions 19.3 through 26.2.5.20 Erlang OTP versions 26.2.5.21 through 27.3.4.11 Erlang OTP versions 27.3.4.12 through 28.5.0.0 Erlang OTP versions 28.5.0.1 through 29.0.0 public key versions 1.4 through 1.15.1.6 public key versions...

PT-2026-44151

Name of the Vulnerable Software and Affected Versions asyncssh versions 2.22.0 through 2.23.0 Description An issue exists during pre-authentication server configuration reload where the %u token in the AuthorizedKeysFile setting is expanded using the raw SSH username without rejecting path...

Erlang/OTP 安全漏洞

Erlang/OTP is an open-source JavaScript library for handling exceptions. This library can catch exceptions caused by Node.js’s built-in APIs. There is a security vulnerability in Erlang/OTP, which stems from improper OCSP response validation in the publickey module. This vulnerability allows fake...

netty-incubator-codec-ohttp's HPKEContext operations may produce empty byte[] on failures

HKDFexpand: returns non-NULL on failure. The byte is filled with zeros and has no way to distinguish success from failure. Since this output is used as HKDF key material for the response AEAD, a failure silently produces an all-zero key. When EVPHPKECTXexport fails it also returns an empty byte...

GHSA-F659-372H-6X3X netty-incubator-codec-ohttp's HPKEContext operations may produce empty byte[] on failures

HKDFexpand: returns non-NULL on failure. The byte is filled with zeros and has no way to distinguish success from failure. Since this output is used as HKDF key material for the response AEAD, a failure silently produces an all-zero key. When EVPHPKECTXexport fails it also returns an empty byte...

CVE-2026-5260

A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA key exchange to a server using an RSA key backed by a PKCS11 token, could trigger a short heap overread. This memory corruption vulnerability could lead to information disclosure...