CentOS Linux 6 [TuxCare] Security Update: curl / libcurl / libcurl-devel (CENTOS6:CLSA-2026:1786464575)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1786464575 advisory. - A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though th...

CentOS Linux 7 [TuxCare] Security Update: python / python-debug / python-devel / python-libs / python-test / etc Multiple Vulnerabilities (CENTOS7:CLSA-2024:1711491407)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2024:1711491407 advisory. - An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that...

AlmaLinux 9.2 [TuxCare] Security Update: rsync / rsync-daemon Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1789786148)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1789786148 advisory. - rsync before 3.5.0 contains a path confinement bypass vulnerability that allows remote clients to escape the intended inner-module...

CentOS Linux 8 [TuxCare] Security Update: perl / perl-Attribute-Handlers / perl-Devel-Peek / etc Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2026:1776788664)

The CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS-STREAM8:CLSA-2026:1776788664 advisory. - CPAN.pm before 2.35 does not verify TLS certificates when downloading distributions over HTTPS. CVE-2023-31484 - HTTP::Tiny...

Helol Tunnel: Covert Channel Exploitation of TLS Extensibility and Privacy Features

Covert channels exploiting network protocols for data exfiltration and command-and-control C2 are integral parts of modern cyberattacks. In search of a significant covert channel within the fabric of the Internet, we targeted the combinatorial properties of the Client Hello CHLO packets in the...

OpenSSL Toolkit 3.6.5

OpenSSL is a robust, fully featured Open Source toolkit implementing the Secure Sockets Layer and Transport Layer Security protocols with full-strength cryptography world-wide. This is the 3.6 release...

CVE-2026-86131: Improper Certificate Validation

A code injection vulnerability in WatchGuard Fireware OS's BOVPN Over TLS client configuration handling allows an attacker who controls the remote VPN server to execute arbitrary commands as root on the connecting Firebox...

CVE-2026-10726: Improper Certificate Validation

Cato Windows SDP Client before version 6.12.6 contains an arbitrary file disclosure vulnerability. A low-privileged local user can cause the Windows service, running as Local System, to read and disclose arbitrary local files due to improper file path validation and missing TLS certificate...

PT-2026-103460

Name of the Vulnerable Software and Affected Versions The product name cannot be determined. affected versions not specified Description A remote, unauthenticated TLS client can cause a server to crash or trigger a use-after-free condition where the system attempts to use a memory pointer after i...

CentOS Linux 8.5 [TuxCare] Security Update: nss / nss-devel / nss-pkcs11-devel / nss-softokn / etc (CENTOS8.5:CLSA-2026:1786358095)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1786358095 advisory. - An unchecked return value in TLS handshake code could have caused a potentially exploitable crash. This vulnerability affects Firefox 122,...

AlmaLinux 9.2 [TuxCare] Security Update: go-toolset / golang / golang-bin / golang-docs / golang-misc / etc (ALMALINUX9.2:CLSA-2026:1772123920)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1772123920 advisory. - During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between the initial handshake...

AlmaLinux 9.2 [TuxCare] Security Update: containernetworking-plugins Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1772575666)

The AlmaLinux 9.2 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1772575666 advisory. - Non-random values for ticketageadd in session tickets in crypto/tls before Go 1.17.11 and Go 1.18.3 allow an attacker that can...

CentOS Linux 8.4 [TuxCare] Security Update: perl-HTTP-Tiny (CENTOS8.4:CLSA-2025:1758821123)

The CentOS Linux 8.4 host has a package installed that is affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2025:1758821123 advisory. - HTTP::Tiny before 0.083, a Perl core module since 5.13.9 and available standalone on CPAN, has an insecure default TLS configuration where...

AlmaLinux 9.2 [TuxCare] Security Update: containernetworking-plugins Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1762538558)

The AlmaLinux 9.2 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1762538558 advisory. - A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of...

CentOS Linux 6 [TuxCare] Security Update: nss / nss-devel / nss-pkcs11-devel / nss-sysinit / nss-tools (CENTOS6:CLSA-2025:1760112150)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2025:1760112150 advisory. - A flaw was found in the way NSS handled CCS ChangeCipherSpec messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS...

CentOS Linux 8 [TuxCare] Security Update: nginx / nginx-all-modules / nginx-filesystem / etc (CENTOS-STREAM8:CLSA-2026:1782978575)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1782978575 advisory. - A vulnerability exists in NGINX OSS and NGINX Plus when configured to proxy to upstream Transport Layer Security TLS servers. An attack...

Linux Distros Unpatched Vulnerability : CVE-2026-97687

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - urllib3 is an HTTP client library for Python. From 1.26.0 until 2.8.0, the proxysslcontext, proxyasserthostname, proxyassertfingerprint, sslcontext, certreqs,...

AlmaLinux 9.6 [TuxCare] Security Update: grafana-pcp Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1779109358)

The AlmaLinux 9.6 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779109358 advisory. - During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates a...

Rocky Linux 9.6 [TuxCare] Security Update: grafana-pcp Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1779109358)

The Rocky Linux 9.6 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779109358 advisory. - During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates...

PT-2026-105768

A remote, unauthenticated TLS client can make a server crash or call through a freed pointer if its sni callback assigns a different context to SSLSocket.context the documented way to select a certificate per server name and nothing else keeps the original ssl.SSLContext alive. Typical cases are...