ruby:3.3 security update

ruby 3.3.10-7 - Fix DoS via crafted IMAP responses in net-imap. CVE-2026-42245 Resolves: RHEL-181682 - Fix information disclosure via MITM attack bypassing TLS in net-imap. CVE-2026-42246 Resolves: RHEL-181759 - Fix command injection via Symbol arguments in net-imap. CVE-2026-42258 Resolves:...

openSUSE 16 Security Update : libssh2_org (openSUSE-SU-2026:21057-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21057-1 advisory. This update for libssh2org fixes the following issues - CVE-2026-55199: pre-Authentication DoS via SSHMSGEXTINFO Handler bsc1268530. -...

AlmaLinux 10 : ruby4.0 (ALSA-2026:33540)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:33540 advisory. ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses CVE-2026-42245 ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol...

RockyLinux 9 : ruby:3.3 (RLSA-2026:33576)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:33576 advisory. ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses CVE-2026-42245 ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol...

ALSA-2026:34357 Important: opentelemetry-collector security update

Collector with the supported components for a AlmaLinux build of OpenTelemetry Security Fixes: github.com/prometheus/prometheus: Prometheus: Denial of Service via uncontrolled memory allocation in remote read endpoint CVE-2026-42154 github.com/prometheus/prometheus: Prometheus: Information...

Linux Distros Unpatched Vulnerability : CVE-2026-58374

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In hostapd before 2.12, a missing bounds check in AP-mode Wi-Fi 7 IEEE 802.11be Multi-Link Operation MLO association request processing allows an unauthenticate...

Linux Distros Unpatched Vulnerability : CVE-2026-50734

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ Client, Apache ActiveMQ, Apache ActiveMQ All. An unauthenticated network attacker c...

AlmaLinux 10 : ruby (ALSA-2026:33565)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:33565 advisory. ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses CVE-2026-42245 ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol...

RHEL 9 : Satellite 6.17.9 Async Update (Important) (RHSA-2026:34366)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:34366 advisory. Red Hat Satellite is a system management solution that allows organizations to configure and maintain their systems without the necessity t...

RockyLinux 8 : container-tools:rhel8 (RLSA-2026:33722)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:33722 advisory. net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-25679 github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial...

RHEL 8 : container-tools:rhel8 (RHSA-2026:33722)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:33722 advisory. The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc. Security Fixes: net/url:...

CVE-2026-36910

The vulnerability affects MPC-BE (Aleksoid1978) where an access violation occurs in BaseSplitterFile::Read prior to commit 4341cb3, enabling DoS via a crafted MP4 file. The issue is described consistently across multiple trusted sources (NVD, CVE records, EUVD, CVE list, PT Security, AttackersKB,...

CVE-2026-54592 Oj: Stack Buffer Overflow in Oj::Doc#each_child via Deeply Nested Input

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.3, Oj::Doceachchild, when invoked recursively over a deeply nested JSON document, overflows a fixed-size stack buffer and aborts the process, leading to DoS. In a two-step chain in...

CVE-2026-57585

MessagePack is the serializer implementation for Python msgpack.org. Prior to 1.2.1, there is an Out-of-bounds read/crash on Unpacker reuse after a caught error, potentially leading to a DoS attack. If the Unpacker is used repeatedly after an error occurs, the process may crash with a SEGV. This...

CVE-2026-57204

pypdf is a free and open-source pure-python PDF library. Prior to 6.13.3, a maliciously crafted PDF can cause DoS. An attacker who uses this vulnerability can craft a PDF which leads to large memory usage, as MAXDECLAREDSTREAMLENGTH is sometimes ignored. This requires parsing a content stream...

CVE-2026-57204 pypdf: Missing stream length values ignore defined limits

pypdf is a free and open-source pure-python PDF library. Prior to 6.13.3, a maliciously crafted PDF can cause DoS. An attacker who uses this vulnerability can craft a PDF which leads to large memory usage, as MAXDECLAREDSTREAMLENGTH is sometimes ignored. This requires parsing a content stream...

ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses

A flaw was found in Net::IMAP, a Ruby library implementing the Internet Message Access Protocol IMAP client functionality. A hostile server can exploit a quadratic time complexity issue in the Net::IMAP::ResponseReader when processing large responses containing numerous string literals. This can...

EUVD-2026-40303

fzf is vulnerable to a Denial of Service DoS due to inefficient HTTP body processing in the --listen mode due to inefficient HTTP body processing using repeated string concatenation, resulting in quadratic time complexity On². A crafted POST request with many small segments can trigger excessive...

CVE-2026-53917

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker. An authenticated user can cause a broker DoS by sending a crafted OpenWire Message with a large encoded size value for the map. OpenWire message...

UBUNTU-CVE-2026-53917

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker. An authenticated user can cause a broker DoS by sending a crafted OpenWire Message with a large encoded size value for the map. OpenWire message...