crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building

A flaw was found in the Go standard library packages crypto/x509 and crypto/tls. During the process of building a certificate chain, an attacker can provide a large number of intermediate certificates. This excessive input is not properly limited, leading to an uncontrolled amount of work being...

crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation

A flaw was found in Go's crypto/x509 package. A remote attacker could exploit this by presenting a specially crafted certificate chain containing a large number of policy mappings. This inefficient validation process consumes excessive resources, which can lead to a denial of service DoS for...

Important: Red Hat Security Advisory: yggdrasil security update

An update for yggdrasil is now available for Red Hat Enterprise Linux 10. 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 each vulnerability fro...

CVE-2026-9279

creationtimestamp| type| source ---|---|--- 2026-06-09 06:55:00+00:00| seen| https://cert.pl/en/posts/2026/06/CVE-2026-9279...

samba security update

An update is available for samba. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Samba is an open-source implementation of the Server Message Block SMB protocol...

RLSA-2026:22644 Important: samba security update

Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol, which allow PC-compatible machines to share files, printers, and various information. Security Fixes: samba: group policy certificate enrollment uses http://...

CVE-2026-11475

A weakness has been identified in Kushan2k student-management-system up to f16a4ceaddd6729c4b306ed4641cda3176c1ef2a. Affected by this vulnerability is the function getStatus of the file controllers/GradeController.php of the component Certificate Verification Endpoint. Executing a manipulation of...

curl: Trailing-Dot Hostname in Redirect Silently Strips Client Certificate and Auth Credentials

Summary When curl follows a redirect where the Location header contains a hostname with a trailing dot e.g., https://example.com./path, Curlpeerequal in peer.c:321-330 compares the original hostname example.com against the redirect target example.com. using curlstrequal, which does not normalize...

PT-2026-47833

Name of the Vulnerable Software and Affected Versions OpenSSL affected versions not specified Description A malicious server can exploit TLS OCSP stapling by delivering a crafted response through the status request extension. This triggers a double-free in the client's certificate verification pa...

OpenSSL 代码问题漏洞

OpenSSL is an open-source encryption library developed by the OpenSSL team that enables secure implementation of Secure Sockets Layer SSLv2/v3 and Secure Transport Layer TLSv1 protocols. This product supports various encryption algorithms, including symmetric ciphers, hash algorithms, and secure...

PT-2026-61741

Name of the Vulnerable Software and Affected Versions FreeRDP versions prior to 3.28.0 Description FreeRDP treats lines starting with a forward slash in RDP files as raw command-line options, which exposes the entire CLI parser surface to untrusted files. This allows attackers to use malicious RD...

PT-2026-47841

Name of the Vulnerable Software and Affected Versions OpenSSL affected versions not specified Description An out-of-bounds read occurs when an application calls the X509 VERIFY PARAM set1 email function to validate a crafted email address, such as during S/MIME message validation. This issue stem...

PT-2026-47721

Check for certificate revocation only considers the first matching CRL and ignores other valid CRLs of the same CA in the CycloneCrypto cryptographic wrapper of S2OPC library. It might allow connection between an OPC UA client and server using a revoked certificate...

UBUNTU-CVE-2026-42771

Issue summary: When the X509VERIFYPARAMset1email is called by an application to validate a crafted e-mail address, such as during S/MIME message validation, an out of bounds read can happen. Impact summary: This out of bounds read will not directly exfiltrate the data read to the attacker so the...

UBUNTU-CVE-2026-42769

Issue Summary: An error in the callback used to verify the certificate provided in a Root CA key update Certificate Management Protocol CMP message response rendered the certificate validation ineffectual, which could lead to escalation of credentials from the Registration Authority RA level to t...

UBUNTU-CVE-2026-35188

Issue summary: A malicious server can exploit TLS OCSP stapling by delivering a crafted response through the statusrequest extension, triggering a double-free in the client's certificate verification path. Impact summary: Successful exploitation allows an attacker to corrupt heap memory via a...

Siemens SIMATIC WinCC Unified PC Runtime 安全漏洞

Siemens SIMATIC WinCC Unified PC Runtime is an industrial automation and SCADA system interface and monitoring platform developed by Siemens, a German company. Versions of Siemens SIMATIC WinCC Unified PC Runtime such as V16, V17, V18, V19, V20, and V21 Update 2 contain security vulnerabilities...

FreeBSD -- Multiple vulnerabilities in OpenSSL

Problem Description: Multiple issues have been reported as part of this advisory with different issues affecting different OpenSSL versions and therefore different FreeBSD versions. Instead of exhaustively listing detailed writeups for each issue, please see the referenced advisory from OpenSSL...

PT-2026-48333

Name of the Vulnerable Software and Affected Versions Spring Security versions 5.7.0 through 5.7.24 Spring Security versions 5.8.0 through 5.8.26 Spring Security versions 6.3.0 through 6.3.17 Spring Security versions 6.4.0 through 6.4.17 Spring Security versions 6.5.0 through 6.5.10 Description T...

PT-2026-47730

Name of the Vulnerable Software and Affected Versions SIMATIC WinCC Unified PC Runtime versions V16 through V20 SIMATIC WinCC Unified PC Runtime versions prior to V21 Update 2 Description Insufficient protection of key material in the WinCC Certificate Manager could allow an attacker to extract...