Important: Red Hat Security Advisory: rhc security update

An update for rhc is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. 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 eac...

TencentOS Server 4: storm (TSSA-2026:0414)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0414 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

PT-2026-47305

OfflineIMAP before 8.0.3 trusts the server with their STARTTLS capability prior to authentication, which allows STRIPTLS/man-in-the-middle attacks, taking over the connection and extracting account credentials in cleartext...

Important: amazon-cloudwatch-agent

Issue Overview: Arithmetic over induction variables in loops were not correctly checked for underflow or overflow in the Go compiler cmd/compile. As a result, the compiler would allow for invalid indexing to occur at runtime, potentially leading to memory corruption in programs compiled with...

Important: ruby4.0

Issue Overview: Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause Net::IMAPstarttls to return "successfully", without starting TLS. This issue has been patched in...

TencentOS Server 4: nginx (TSSA-2025:0724)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2025:0724 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

Amazon Linux 2023 : ruby3.4, ruby3.4-bundled-gems, ruby3.4-default-gems (ALAS2023-2026-1807)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1807 advisory. zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buffer overflow vulnerability in the Zlib::GzipReader...

RHEL 9 : rhc (RHSA-2026:24337)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:24337 advisory. rhc is a client tool and daemon that connects the system to Red Hat hosted services enabling system and subscription management. Security...

Important: ruby3.4

Issue Overview: zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buffer overflow vulnerability in the Zlib::GzipReader. The zstreambufferungets function prepends caller-provided bytes ahead of previously...

Amazon Linux 2 : amazon-cloudwatch-agent, --advisory ALAS2-2026-3323 (ALAS-2026-3323)

The version of amazon-cloudwatch-agent installed on the remote host is prior to 1.300066.2-2. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3323 advisory. Arithmetic over induction variables in loops were not correctly checked for underflow or overflow in...

Amazon Linux 2023 : ruby4.0, ruby4.0-bundled-gems, ruby4.0-default-gems (ALAS2023-2026-1806)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1806 advisory. Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause...

Guntls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal

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EulerOS Virtualization 2.13.1 : curl (EulerOS-SA-2026-2122)

According to the versions of the curl packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : When doing multi-threaded LDAPS transfers LDAP over TLS with libcurl,changing TLS options in one thread would inadvertently change th...

RHEL 9 : image-builder (RHSA-2026:23228)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:23228 advisory. A local binary for building customized OS artifacts such as VM images and OSTree commits. Uses osbuild under the hood. Security Fixes:...

RHEL 10 : java-21-ibm-semeru-certified-jdk (RHSA-2026:22328)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:22328 advisory. The IBM Semeru Runtime Certified Edition 21 runtime environment. Security Fixes: freetype: Information disclosure or denial of service via...

RHEL 9 : rhc (RHSA-2026:22309)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:22309 advisory. rhc is a client tool and daemon that connects the system to Red Hat hosted services enabling system and subscription management. Security...

EulerOS Virtualization 2.13.0 : curl (EulerOS-SA-2026-2161)

According to the versions of the curl packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : When doing multi-threaded LDAPS transfers LDAP over TLS with libcurl,changing TLS options in one thread would inadvertently change th...

RHEL 10 : osbuild-composer (RHSA-2026:22450)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:22450 advisory. A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building...

RHEL 10 : rhc (RHSA-2026:22713)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:22713 advisory. rhc is a client tool and daemon that connects the system to Red Hat hosted services enabling system and subscription management. Security...

CVE-2026-5778

Integer underflow in wolfSSL packet sniffer = 5.9.0 allows an attacker to cause a program crash in the AEAD decryption path by injecting a TLS record shorter than the explicit IV plus authentication tag into traffic inspected by sslDecodePacket. The underflow wraps a 16-bit length to a large valu...