python-markdown: denial of service via malformed HTML-like sequences

A flaw was found in Python-Markdown. Parsing crafted markdown content containing malformed HTML-like sequences causes html.parser.HTMLParser to raise an unhandled AssertionError. This unhandled exception allows an attacker to cause an application crash and potentially disclose sensitive informati...

CVE-2026-23557

Any guest can cause xenstored to crash by issuing a XSRESETWATCHES command within a transaction due to an assert triggering. In case xenstored was built with NDEBUG defined nothing bad will happen, as assert is doing nothing in this case. Note that the default is not to define NDEBUG for xenstore...

EUVD-2026-30925

Any guest can cause xenstored to crash by issuing a XSRESETWATCHES command within a transaction due to an assert triggering. In case xenstored was built with NDEBUG defined nothing bad will happen, as assert is doing nothing in this case. Note that the default is not to define NDEBUG for xenstore...

CVE-2026-23557

Any guest can cause xenstored to crash by issuing a XSRESETWATCHES command within a transaction due to an assert triggering. In case xenstored was built with NDEBUG defined nothing bad will happen, as assert is doing nothing in this case. Note that the default is not to define NDEBUG for xenstore...

GHSA-P5MV-GJ8J-XQGF Keycloak: Denial of Service via specially crafted SAML input

A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...

Keycloak: Denial of Service via specially crafted SAML input

A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...

PT-2026-41878

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw in the Security Assertion Markup Language SAML endpoint allows a remote, unauthenticated attacker to send specially crafted XML input. This improper input validation can cause high CP...

Xen 安全漏洞

Xen is an open-source virtual machine monitor product developed by Xen. This product allows different and incompatible operating systems to run on the same computer. It also supports migration during operation, ensuring smooth functioning and avoiding downtime. Xen has a security vulnerability th...

Keycloak 安全漏洞

Keycloak is an open-source identity and access management solution developed by Keycloak. Keycloak has a security vulnerability that stems from remote, unauthenticated attackers being able to send specially crafted XML inputs to SAML endpoints. This vulnerability can lead to high CPU usage and wo...

OPENSUSE-SU-2026:20764-1 Security update for glibc

This update for glibc fixes the following issues - CVE-2026-4046: assertion failure when converting inputs may be used to remotely crash an application bsc1261206. - CVE-2026-5450: stdio-common: scanf %mc pattern will cause heap overflow when width 1024 bsc1262465. - CVE-2026-5928: libio: ungetwc...

SUSE-SU-2026:21807-1 Security update for glibc

This update for glibc fixes the following issues - CVE-2026-4046: assertion failure when converting inputs may be used to remotely crash an application bsc1261206. - CVE-2026-5450: stdio-common: scanf %mc pattern will cause heap overflow when width 1024 bsc1262465. - CVE-2026-5928: libio: ungetwc...

SUSE-SU-2026:21751-1 Security update for glibc

This update for glibc fixes the following issues - CVE-2026-4046: assertion failure when converting inputs may be used to remotely crash an application bsc1261206. - CVE-2026-5450: stdio-common: scanf %mc pattern will cause heap overflow when width 1024 bsc1262465. - CVE-2026-5928: libio: ungetwc...

Security Bulletin: Multiple vulnerabilities in IBM MQ Operator and Queue manager container images

Summary Multiple vulnerabilities were addressed in IBM MQ Operator and Queue manager container images Vulnerability Details CVEID:CVE-2026-29111 DESCRIPTION: systemd, a system and service manager, as PID 1 hits an assert and freezes execution when an unprivileged IPC API call is made with spuriou...

[SECURITY] [DSA 6266-1] nghttp2 security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6266-1 [email protected] https://www.debian.org/security/ Aron Xu May 14, 2026 https://www.debian.org/security/faq - -------------------------------------------------------------------------...

EUVD-2026-30018

In the Linux kernel, the following vulnerability has been resolved: schedext: Disable preemption between scxclaimexit and kicking helper work scxclaimexit atomically sets exitkind, which prevents scxerror from triggering further error handling. After claiming exit, the caller must kick the helper...

CVE-2026-43482

In the Linux kernel, the following vulnerability has been resolved: schedext: Disable preemption between scxclaimexit and kicking helper work scxclaimexit atomically sets exitkind, which prevents scxerror from triggering further error handling. After claiming exit, the caller must kick the helper...

SUSE CVE-2026-8257

A vulnerability was detected in WebAssembly Binaryen up to 117. This issue affects the function IRBuilder::makeBrOn of the file src/wasm/wasm-ir-builder.cpp of the component BrOn Parser. Performing a manipulation results in reachable assertion. The attack needs to be approached locally. The explo...

CVE-2026-42576

apko allows users to build and publish OCI container images built from apk packages. Prior to version 1.2.7, DiscoverKeys in pkg/apk/apk/implementation.go unconditionally type-asserts JWKS keys as rsa.PublicKey without checking the key type. If a repository JWKS endpoint returns a non-RSA key e.g...

CVE-2026-42860

The CVE-2026-42860 issue affects Open edX Openedx Enterprise Service (edx-enterprise). From 7.0.2 through 7.0.4, the sync_provider_data endpoint retrieves SAML metadata from a URL stored in SAMLProviderConfig.metadata_source. An authenticated Enterprise Admin can PATCH this field to an arbitrary ...

CVE-2026-8257

A flaw was found in WebAssembly Binaryen. A local user can perform a manipulation within the IRBuilder::makeBrOn function of the src/wasm/wasm-ir-builder.cpp file, leading to a reachable assertion. This vulnerability can cause the program to crash, resulting in a denial of service DoS...