Important: Red Hat Security Advisory: libreswan security update

An update for libreswan is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

libreswan: badly formatted X.509 certificate can cause an assertion failure that crashes the daemon process

A flaw was found in Libreswan. An unauthenticated remote attacker can send a specially crafted X.509 certificate payload during an IKEv1 or IKEv2 exchange. This flaw occurs when Libreswan is operating in FIPS Federal Information Processing Standards mode and processing a certificate with an inval...

crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries

A flaw was found in the crypto/x509 package of golang. This vulnerability allows a remote attacker to cause a Denial of Service DoS by presenting a specially crafted X.509 certificate with a large number of DNS Subject Alternative Name SAN entries. The certificate verification process, specifical...

crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries

A flaw was found in the crypto/x509 package of golang. This vulnerability allows a remote attacker to cause a Denial of Service DoS by presenting a specially crafted X.509 certificate with a large number of DNS Subject Alternative Name SAN entries. The certificate verification process, specifical...

PT-2026-64994

Name of the Vulnerable Software and Affected Versions Erlang/OTP versions 26.2 through 27.3.4.14 Erlang/OTP versions 28.0 through 28.5.0.3 Erlang/OTP versions 29.0 through 29.0.3 public key versions 1.15 through 1.17.1.4 public key versions 1.20 through 1.20.3.3 public key versions 1.21 through...

ROS-20260727-73-0027

A vulnerability in the Apache HTTP Server's OCSP protocol implementation is related to out-of-bounds memory access. Exploitation of this vulnerability could allow a remote attacker to cause a denial of service...

Erlang/OTP -- (D)TLS-1.2 server certificate verification bypass

https://github.com/erlang/otp/security/advisories/GHSA-c6cw-pr89-w882 reports: The OTP TLS/DTLS client pre TLS-1.3 does not verify that the cipher suite selected by the server in ServerHello is one of those offered in ClientHello. A man-in-the-middle attacker can select an anonymous cipher suite...

Important: libreswan security update

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network VPN...

ALSA-2026:46398 Important: libreswan security update

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network VPN...

Linux Distros Unpatched Vulnerability : CVE-2026-13067

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When PROXY protocol v2 is used on the Unix domain socket path, roles derived from X.509 client certificates may not be validated against the configured...

Erlang/OTP -- TLS denial of service using invalid certificate chains

https://github.com/erlang/otp/security/advisories/GHSA-r5jr-mq46-vmhw reports: A TLS/DTLS peer can crash the remote node by sending a certificate chain containing two mutually cross-signed certificates in unordered form. When the receiving side attempts to build a valid chain path, it enters...

Erlang/OTP -- denial of service via exponential certificate policy tree growth

https://github.com/erlang/otp/security/advisories/GHSA-622p-qfh6-c352 reports: A remote attacker can trigger a denial of service through TLS certificate handling. By sending a specially crafted certificate chain with multiple certificate policies at each level, the policy tree expands exponential...

Important: libreswan security update

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network VPN...

ALSA-2026:46397 Important: libreswan security update

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network VPN...

RHEL 9 : libreswan (RHSA-2026:46986)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:46986 advisory. Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide...

AlmaLinux 9 : libreswan (ALSA-2026:46397)

The remote AlmaLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:46397 advisory. librenswan: IKEv1 Denial of Service via RSA-SHA1 PKCS1 Version 1.5 Encrypted authentication payload CVE-2026-50721 librenswan: IKEv2 Denial of Service vi...

PT-2026-64881

Name of the Vulnerable Software and Affected Versions Apache Thrift versions prior to 0.24.0 Description Improper validation of certificates with host mismatch occurs in the Apache Thrift C++ bindings. This issue involves a wildcard bypass in the matchName function of the TSSLSocket class, failin...

PT-2026-64989

Name of the Vulnerable Software and Affected Versions Erlang/OTP versions 23.2 through 27.3.4.14 Erlang/OTP version 28.5.0.3 Erlang/OTP version 29.0.3 Description The ssl application fails to detect cycles when reconstructing an incomplete peer certificate chain during a TLS or DTLS handshake...

PT-2026-64880

Name of the Vulnerable Software and Affected Versions Apache Thrift versions prior to 0.24.0 Description Improper validation of certificates with host mismatch occurs in the Apache Thrift c glib bindings. This issue results in the TLS client failing to perform necessary hostname verification...

PT-2026-64893

Name of the Vulnerable Software and Affected Versions Apache Thrift versions prior to 0.24.0 Description Apache Thrift Python bindings contain an issue where certificates with host mismatches are not properly validated. Recommendations Upgrade to version 0.24.0...