PT-2026-50163

Name of the Vulnerable Software and Affected Versions Traefik versions 3.6.17 through 3.7.1 Description An issue in the HTTP/3 QUIC TLS configuration selection allows unauthenticated clients to bypass router-specific mutual TLS mTLS enforcement. When HTTP/3 is enabled, the TLS handshake uses an...

Ubuntu 16.04 LTS / 18.04 LTS : Ruby vulnerabilities (USN-8431-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8431-1 advisory. It was discovered that Ruby's Net::IMAP library did not properly verify that Transport Layer Security TLS encryption was started after issuin...

Unbreakable Enterprise kernel security update

6.12.0-203.76.7.5 - uek-rpm: avoid final module link in early FIPS symvers pass Sherry Yang Orabug: 39563330 - netfilter: nftables: unconditionally bump set-nelems before insertion Pablo Neira Ayuso Orabug: 39562729 CVE-2026-23272 6.12.0-203.76.7.4 - net: bonding: fix use-after-free in...

ALSA-2026:26447 Important: podman security update

The podman tool manages pods, container images, and containers. It is part of the libpod library, which is for applications that use container pods. Container pods is a concept in Kubernetes. Security Fixes: crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain...

EUVD-2026-36765

In OCaml-TLS before 2.1.0, the server implementation does insufficient checks of the certificate provided by the client when doing client authentication, which allows impersonation with certificates that are not meant for client authentication because of KeyUsage and ExtendedKeyUsage...

CVE-2026-45388

In OCaml-TLS before 2.1.0, the client implementation does insufficient checks of the certificate provided by the server, which allows impersonation with certificates that are not meant for server authentication because of KeyUsage and ExtendedKeyUsage...

CVE-2026-45389

In OCaml-TLS before 2.1.0, the server implementation does insufficient checks of the certificate provided by the client when doing client authentication, which allows impersonation with certificates that are not meant for client authentication because of KeyUsage and ExtendedKeyUsage...

Nodemailer: Improper TLS Certificate Validation in OAuth2 Token Fetch Enables Credential Interception

Summary Nodemailer disables TLS certificate verification in its internal HTTPS fetch client through the use of rejectUnauthorized: false inside lib/fetch/index.js. As a result, OAuth2 token requests trust invalid or self-signed HTTPS certificates and transmit sensitive OAuth credentials over...

USN-8431-1: Ruby vulnerabilities

It was discovered that Ruby's Net::IMAP library did not properly verify that Transport Layer Security TLS encryption was started after issuing a STARTTLS command. A remote attacker could possibly use this issue to perform a machine-in-the-middle attack and silently bypass TLS encryption...

USN-8431-1 ruby2.3, ruby2.5 vulnerabilities

It was discovered that Ruby's Net::IMAP library did not properly verify that Transport Layer Security TLS encryption was started after issuing a STARTTLS command. A remote attacker could possibly use this issue to perform a machine-in-the-middle attack and silently bypass TLS encryption...

CVE-2026-45416

A flaw was found in Netty, a network application framework. A remote attacker can exploit this vulnerability by sending a crafted TLS Transport Layer Security ClientHello message. This can lead to an eager allocation of a large memory buffer, causing a Denial of Service DoS due to excessive memor...

CVE-2026-45389

In OCaml-TLS before 2.1.0, the server implementation does insufficient checks of the certificate provided by the client when doing client authentication, which allows impersonation with certificates that are not meant for client authentication because of KeyUsage and ExtendedKeyUsage...

CVE-2026-45389

Summary (OCaml-TLS CVE-2026-45389): OCaml-TLS versions before 2.1.0 fail to properly validate KeyUsage and ExtendedKeyUsage on client certificates during mutual TLS, allowing impersonation with certificates intended for server authentication. The issue arises in the server-side certificate valida...

CVE-2026-45388

CVE-2026-45388 affects OCaml-TLS before 2.1.0. The TLS 1.3 client path in handshake_client13.ml did not wire into validate_keyusage, allowing a certificate issued for non-server purposes (e.g., clientAuth, codeSigning, emailProtection) to impersonate a TLS server if the EKU/KeyUsage restrictions ...

CVE-2026-45389

In OCaml-TLS before 2.1.0, the server implementation does insufficient checks of the certificate provided by the client when doing client authentication, which allows impersonation with certificates that are not meant for client authentication because of KeyUsage and ExtendedKeyUsage...

CVE-2026-50892

Incorrect access control in the "Let's Encrypt" certificate download endpoint of Nginx Proxy Manager v2.14.0 allows authenticated attackers to obtain the TLS private key material via a crafted GET request...

Fedora 43 : python-django5 (2026-f140cb16b6)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-f140cb16b6 advisory. Fixes five low-severity CVEs - CVE-2026-6873: Signed cookie salt namespace collision - CVE-2026-7666: Potential unencrypted email transmission via...

SUSE SLES15 Security Update : python-Django (SUSE-SU-2026:2318-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2318-1 advisory. This update for python-Django fixes the following issues - CVE-2026-6873: signed cookie salt namespace collision in...

CVE-2026-35058

A flaw was found in OpenVPN. This vulnerability, caused by improper validation of packet length during tls-crypt-v2 key extraction, allows an authenticated attacker to send a specially crafted packet. Successful exploitation can trigger a fatal assertion, leading to a denial of service DoS...

OPENSUSE-SU-2026:20962-1 Security update for cyrus-imapd

This update for cyrus-imapd fixes the following issues: Changes in cyrus-imapd: - cyrus-imapd don't start because of missing "Requires=var-run.mount" from systemd bsc1251788 Remove var-run.mount from Requires and After - update to version 3.8.6 bugfix release VUL-0: CVE-2025-49812: cyrus-imapd:...