CVE-2026-34181 PKCS#12 Files with PBMAC1 Are Accepted with Short HMAC Keys

Issue Summary: The PKCS12 file processing fails to perform sufficient input validation for files that use Password-Based Message Authentication Code 1 PBMAC1 integrity mechanism allowing a certificate and private key forgery. Impact Summary: An attacker impersonating a user can cause a service...

CVE-2026-34181

Issue Summary: The PKCS12 file processing fails to perform sufficient input validation for files that use Password-Based Message Authentication Code 1 PBMAC1 integrity mechanism allowing a certificate and private key forgery. Impact Summary: An attacker impersonating a user can cause a service...

CVE-2026-34181

The OpenSSL library fails to perform sufficient input validation when processing PKCS#12 files that use the Password-Based Message Authentication Code 1 (PBMAC1) integrity mechanism. This vulnerability allows an attacker to craft unencrypted PKCS#12 files with a one-byte HMAC key, enabling them t...

CVE-2026-34181 PKCS#12 Files with PBMAC1 Are Accepted with Short HMAC Keys

Issue Summary: The PKCS12 file processing fails to perform sufficient input validation for files that use Password-Based Message Authentication Code 1 PBMAC1 integrity mechanism allowing a certificate and private key forgery. Impact Summary: An attacker impersonating a user can cause a service...

June 9, 2026—KB5094128 (OS Build 20348.5256)

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June 9, 2026—KB5094126 (OS Builds 26200.8655 and 26100.8655)

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KB5094006: Cumulative security update for Internet Explorer: June 9, 2026

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May 12, 2026—Hotpatch KB5089466 (OS Builds 26200.8390 and 26100.8390)

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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: 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...

CVE-2026-6899

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...

CVE-2026-6899 Improper Check for Certificate Revocation in S2OPC

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...

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...

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...

CVE-2026-34181

Issue Summary: The PKCS12 file processing fails to perform sufficient input validation for files that use Password-Based Message Authentication Code 1 PBMAC1 integrity mechanism allowing a certificate and private key forgery. Impact Summary: An attacker impersonating a user can cause a service...

KB5094141: Servicing stack update for Windows 10, version 1607 and Windows Server 2016: June 9, 2026

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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: 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...

Security update for NetworkManager (moderate)

openSUSE security update: security update for networkmanager ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20911-1 Rating: moderate References: bsc1257359 bsc1257366 Cross-References: CVE-2025-9615 CVSS scores: CVE-2025-9615 SUSE : 5.5...

CVE-2026-42790

A flaw was found in Erlang OTP publickey. This improper certificate validation vulnerability allows a subordinate Certificate Authority CA with restricted DNS nameConstraints to bypass these restrictions. By issuing a leaf certificate that lacks a Subject Alternative Name SAN but contains a craft...