UBUNTU-CVE-2026-42790

Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeycert and publickey modules allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verification. Two flaws combine to allow a subordinate CA whose DNS nameConstraints are restricted e.g...

CVE-2026-42790

Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeycert and publickey modules allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verification. Two flaws combine to allow a subordinate CA whose DNS nameConstraints are restricted e.g...

CVE-2026-42790 nameConstraints DNS bypass via subject CommonName fallback in public_key hostname verification

Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeycert and publickey modules allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verification. Two flaws combine to allow a subordinate CA whose DNS nameConstraints are restricted e.g...

CVE-2026-42790 nameConstraints DNS bypass via subject CommonName fallback in public_key hostname verification

Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeycert and publickey modules allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verification. Two flaws combine to allow a subordinate CA whose DNS nameConstraints are restricted e.g...

CVE-2026-42790 nameConstraints DNS bypass via subject CommonName fallback in public_key hostname verification

Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeycert and publickey modules allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verification. Two flaws combine to allow a subordinate CA whose DNS nameConstraints are restricted e.g...

EEF-CVE-2026-42790 nameConstraints DNS bypass via subject CommonName fallback in public_key hostname verification

Summary Improper Certificate Validation vulnerability in Erlang OTP public\key pubkey\cert and public\key modules allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verification. Two flaws combine to allow a subordinate CA whose DNS nameConstraints are restricted...

CVE-2026-42790

Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeycert and publickey modules allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verification. Two flaws combine to allow a subordinate CA whose DNS nameConstraints are restricted e.g...

CVE-2026-42790

Erlang OTP has a vulnerability (CVE-2026-42790) in the public_key module (pubkey_cert and public_key) where DNS nameConstraints can be bypassed via CommonName fallback in TLS hostname verification. The issue occurs because pubkey_cert:validate_names/6 only checks SAN DNS entries against nameConst...

Security Bulletin: IBM Sterling Control Center is affected by a vulnerability in spring-boot-autoconfigure (CVE-2026-40974)

Summary IBM Sterling Control Center is affected by a vulnerability CVE-2026-40974 reported for spring-boot-autoconfigure-3.4.11.jar. Vulnerability Details CVEID:CVE-2026-40974 DESCRIPTION: Spring Boot's Cassandra auto-configuration does not perform hostname verification when establishing an SSL...

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...

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...

curl: curl GnuTLS backend accepts a clientAuth-only certificate for HTTPS server authentication

Summary: When curl/libcurl is built with the GnuTLS backend, the current HTTPS server-certificate validation path verifies the trust chain and hostname but does not enforce TLS server Extended Key Usage semantics. As a result, a leaf certificate that chains to a trusted CA, matches the requested...

Astra Linux – Vulnerability in Apache Log4j2

In Apache Log4j Core versions 2.0-beta9 through 2.25.2, the Socket Appender does not perform TLS hostname verification of the peer certificate, even when the verifyHostName configuration attribute https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostNa...

OPENSUSE-SU-2026:20778-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2026-3832: cert-session: fix multi-entry OCSP revocation bypass bsc1263706. - CVE-2026-3833: x509/name-constraints: compare domain names case-insensitive bsc1263707. - CVE-2026-5260: lib/pkcs11privkey: guard against overreading on short...

SUSE SLED15 / SLES15 Security Update : log4j (SUSE-SU-2026:1843-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1843-1 advisory. - CVE-2026-34477: TLS connections vulnerable to interception due to incomplete hostname verification...

TLS hostname verification disabled when using Boring TLS backend

An inverted-boolean bug in lettre's boring-tls integration silently disables TLS hostname verification for callers using the default strict configuration. An on-path attacker presenting any chain-valid certificate for any domain can intercept SMTP submission, including PLAIN/LOGIN credentials and...

curl: TLS verifyhost bypass in rustls, mbedTLS, and wolfSSL when verifypeer=0

The now-well-known CURLOPTSSLVERIFYHOST-bypass-when-CURLOPTSSLVERIFYPEER=0 defect exists in three of curl's TLS backends: rustls EXPERIMENTAL, mbedTLS, and wolfSSL DNS hostnames only. The documented contract at docs/libcurl/opts/CURLOPTSSLVERIFYPEER.md:57-59: The check that the host name in the...

SUSE-SU-2026:1843-1 Security update for log4j

This update for log4j fixes the following issues: - CVE-2026-34477: TLS connections vulnerable to interception due to incomplete hostname verification configuration checks bsc1262050. - CVE-2026-34479: silent log event loss due to improper XML escaping in Log4j1XmlLayout bsc1262091. -...

BIT-THRIFT-2026-43869 Apache Thrift: TSSLTransportFactory.java hostname verification

Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue...

OpenSearch has ineffective TLS certificate hostname verification

Description A regression was introduced in OpenSearch 2.18.0 that caused the plugins.security.ssl.transport.enforcehostnameverification setting to be ineffective. When this setting was enabled, OpenSearch did not verify that the hostname in a connecting node's TLS certificate matched the hostname...