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...

CLSA-2026-1778129164 nghttp2: Fix of 2 CVEs

CVE-2023-35945: fix memory leak on RSTSTREAM followed by GOAWAY - CVE-2026-27135: fix iframe state validation to prevent assertion failure...

CVE-2026-41670

Admidio is an open-source user management solution. Prior to version 5.0.9, the SAML IdP implementation in Admidio's SSO module uses the AssertionConsumerServiceURL value directly from incoming SAML AuthnRequest messages as the destination for the SAML response, without validating it against the...

CVE-2026-41670

Admidio before 5.0.9 permits an attacker who knows a registered SP’s Entity ID to craft a SAML AuthnRequest with an attacker-controlled AssertionConsumerServiceURL, causing the IdP to send a signed SAML response containing user attributes to the attacker’s URL. The root cause is that ACS URL is t...

EUVD-2026-28281

Admidio is an open-source user management solution. Prior to version 5.0.9, the SAML IdP implementation in Admidio's SSO module uses the AssertionConsumerServiceURL value directly from incoming SAML AuthnRequest messages as the destination for the SAML response, without validating it against the...

CVE-2026-41670

Admidio is an open-source user management solution. Prior to version 5.0.9, the SAML IdP implementation in Admidio's SSO module uses the AssertionConsumerServiceURL value directly from incoming SAML AuthnRequest messages as the destination for the SAML response, without validating it against the...

EUVD-2026-28279

Admidio is an open-source user management solution. Prior to version 5.0.9, the Admidio SAML Identity Provider implementation discards the return value of its validateSignature method at both call sites handleSSORequest line 418 and handleSLORequest line 613. The method returns error strings on...

CVE-2026-41669 Admidio: SAML Signature Validation Result Ignored — Forged AuthnRequests and LogoutRequests Processed

Admidio is an open-source user management solution. Prior to version 5.0.9, the Admidio SAML Identity Provider implementation discards the return value of its validateSignature method at both call sites handleSSORequest line 418 and handleSLORequest line 613. The method returns error strings on...

SUSE CVE-2026-43158

In the Linux kernel, the following vulnerability has been resolved: xfs: fix freemap adjustments when adding xattrs to leaf blocks xfs/592 and xfs/794 both trip this assertion in the leaf block freemap adjustment code after 20 minutes of running on my test VMs: ASSERTichdr-firstused = ichdr-count...

Admidio 输入验证错误漏洞

Admidio is a set of open-source member management systems developed by the Admidio team. This system supports features such as member lists, event management, message boards, photo albums, and downloads. Prior to Admidio 5.0.9, there was a vulnerability related to input validation errors. This...

Admidio 数据伪造问题漏洞

Admidio is a set of open-source member management systems developed by the Admidio team. This system supports features such as member lists, event management, message boards, photo albums, and downloads. Prior to Admidio 5.0.9, there was a data manipulation vulnerability. This vulnerability stemm...

PT-2026-38422

Date: May 7, 2026 Status: ACTIVE GLOBAL EXPLOITATION / STATE-SPONSORED CAMPAIGN Target: Palo Alto Networks PAN-OS GlobalProtect Gateway / Management Interface Severity: 10.0 MAXIMUM CRITICAL Unauthenticated Remote Root Code Execution 1. Analysis: Why "PAN-Optic" is Today's Apex Threat While the...

CVE-2026-43156

A flaw was found in the Linux kernel's USB Pegasus driver. This vulnerability allows a local attacker to use a specially crafted USB device to bypass expected endpoint checks. By presenting unexpected transfer types, the malicious device could trigger a system assertion, potentially leading to a...

EUVD-2026-27719

In the Linux kernel, the following vulnerability has been resolved: xfs: fix freemap adjustments when adding xattrs to leaf blocks xfs/592 and xfs/794 both trip this assertion in the leaf block freemap adjustment code after 20 minutes of running on my test VMs: ASSERTichdr-firstused = ichdr-count...

CVE-2026-43158

In the Linux kernel, the following vulnerability has been resolved: xfs: fix freemap adjustments when adding xattrs to leaf blocks xfs/592 and xfs/794 both trip this assertion in the leaf block freemap adjustment code after 20 minutes of running on my test VMs: ASSERTichdr-firstused = ichdr-count...

CVE-2026-43158 xfs: fix freemap adjustments when adding xattrs to leaf blocks

In the Linux kernel, the following vulnerability has been resolved: xfs: fix freemap adjustments when adding xattrs to leaf blocks xfs/592 and xfs/794 both trip this assertion in the leaf block freemap adjustment code after 20 minutes of running on my test VMs: ASSERTichdr-firstused = ichdr-count...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from an error in freemap adjustment during the process of adding extended attributes to extents by the...

PT-2026-37498

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the XFS file system where incorrect freemap adjustments occur when adding extended attributes xattrs to leaf blocks. Specifically, when adding multiple xattrs, the...

CLSA-2026-1777974095 nghttp2: Fix of CVE-2026-27135

CVE-2026-27135: fix missing iframe-state validations to avoid assertion failure...

Fedora 43 : glibc (2026-4b7780802c)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-4b7780802c advisory. This update provides various security fixes. Buffer overflow in scanf %mc CVE-2026-5450 nssprintrrf buffer overreads CVE-2026-6238 nssprintrrf buffe...