Linux Distros Unpatched Vulnerability : CVE-2026-84784

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Issue summary: A malicious remote peer may flood the local QUIC stack with NEWCONNECTIONID frames by avoiding a limit check on how many connection IDs the remot...

CentOS Linux 8.4 [TuxCare] Security Update: libssh / libssh-config / libssh-devel Multiple Vulnerabilities (CENTOS8.4:CLSA-2026:1786012208)

The CentOS Linux 8.4 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.4:CLSA-2026:1786012208 advisory. - A flaw was found in libssh. Incorrect AES-GCM finalization checks in builds using the OpenSSL backend can effectively remove...

AlmaLinux 9.2 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl (ALMALINUX9.2:CLSA-2023:1702495193)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2023:1702495193 advisory. - Issue summary: A bug has been identified in the processing of key and initialisation vector IV lengths. This can lead to potential truncati...

AlmaLinux 9.2 [TuxCare] Security Update: libssh / libssh-config / libssh-devel Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1762361016)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1762361016 advisory. - A flaw was found in libssh versions built with OpenSSL versions older than 3.0, specifically in the sshkdf function responsible fo...

CentOS Linux 6 [TuxCare] Security Update: openssl / openssl-devel / openssl-perl / openssl-static Multiple Vulnerabilities (CENTOS6:CLSA-2025:1760559298)

The CentOS Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS6:CLSA-2025:1760559298 advisory. - The OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations ...

CentOS Linux 8.5 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1788264701)

The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2026:1788264701 advisory. - Issue summary: Receiving a DTLS record for a future epoch while a handshake is in progress causes OpenSSL to buffer far more memor...

OpenSSL 3.5.0 < 3.5.9 Multiple Vulnerabilities

The version of OpenSSL installed on the remote host is prior to 3.5.9. It is, therefore, affected by multiple vulnerabilities as referenced in the 3.5.9 advisory. - Issue summary: The DTLS retransmission logic does not correctly handle a handshake message write that is suspended part-way through...

AlmaLinux 9.2 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1778071148)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1778071148 advisory. - Issue summary: An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon...

CentOS Linux 8.5 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc (CENTOS8.5:CLSA-2026:1772098723)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1772098723 advisory. - Issue summary: Calling PKCS12getfriendlyname function on a maliciously crafted PKCS12 file with a BMPString UTF-16BE friendly name containi...

AlmaLinux 9.6 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl (ALMALINUX9.6:CLSA-2026:1786527958)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786527958 advisory. - Issue summary: During processing of a crafted CMS EnvelopedData message with KeyAgreeRecipientInfo a NULL pointer dereference can happen...

CentOS Linux 8.5 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc (CENTOS8.5:CLSA-2026:1781549039)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1781549039 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification. Impac...

AlmaLinux 9.2 [TuxCare] Security Update: iperf3 / iperf3-devel (ALMALINUX9.2:CLSA-2026:1779373661)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1779373661 advisory. - iPerf3 before 3.17, when used with OpenSSL before 3.2.0 as a server with RSA authentication, allows a timing side channel in RSA decryption...

OpenSSL 3.0.0 < 3.0.23 Multiple Vulnerabilities

The version of OpenSSL installed on the remote host is prior to 3.0.23. It is, therefore, affected by multiple vulnerabilities as referenced in the 3.0.23 advisory. - Issue summary: The DTLS retransmission logic does not correctly handle a handshake message write that is suspended part-way throug...

CentOS Linux 8 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc (CENTOS-STREAM8:CLSA-2026:1781175688)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1781175688 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification...

OpenSSL 4.0.0 < 4.0.3 Multiple Vulnerabilities

The version of OpenSSL installed on the remote host is prior to 4.0.3. It is, therefore, affected by multiple vulnerabilities as referenced in the 4.0.3 advisory. - Issue summary: The DTLS retransmission logic does not correctly handle a handshake message write that is suspended part-way through...

AlmaLinux 9.2 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl (ALMALINUX9.2:CLSA-2025:1759865335)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1759865335 advisory. - Issue summary: A timing side-channel which could potentially allow recovering the private key exists in the ECDSA signature computation...

CentOS Linux 8.4 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc (CENTOS8.4:CLSA-2026:1771003241)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1771003241 advisory. - Issue summary: Processing a malformed PKCS12 file can trigger a NULL pointer dereference in the PKCS12itemdecryptd2iex function. Impact...

CVE-2026-19445: Use After Free

A remote, unauthenticated TLS client can make a server crash or call through a freed pointer if its snicallback 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...

Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS : OpenSSL vulnerabilities (USN-8847-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8847-1 advisory. It was discovered that OpenSSL incorrectly handled certain certificate revocation list distribution point names. An attacker coul...

AlmaLinux 9.2 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl (ALMALINUX9.2:CLSA-2026:1782983109)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1782983109 advisory. - Issue summary: An attacker-controlled CMP Certificate Management Protocol server could trigger a NULL pointer dereference in a CMP client...