crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application

A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...

SUSE CVE-2026-78131

strongSwan 4.2.0 through 6.0.7 has a missing release of memory after its effective lifetime in the x509 plugin's attribute certificate parser...

RLSA-2026:65534 Important: image-builder security update

A local binary for building customized OS artifacts such as VM images and OSTree commits. Uses osbuild under the hood. Security Fixes: crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation CVE-2026-32281 crypto/x509: golang: Go crypto/x509: Certificat...

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...

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: Certificate validation bypass due to incorrect DNS constraint application

A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...

crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application

A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...

Security Bulletin: IBM Engineering Lifecycle Management on Hybrid Cloud is using crypto packages which is vulnerable to CVE-2026-32283 and CVE-2026-32281

Summary This release addresses security vulnerabilities in application and operator images of ELM on Hybrid Cloud. The identified vulnerabilities relate to Go standard library packages crypto/tls and crypto/x509, which impact the product within the deployed environment. The vulnerabilities are...

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...

crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application

A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...

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: Certificate validation bypass due to incorrect DNS constraint application

A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...

[SECURITY] [DSA 6487-1] strongswan security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6487-1 [email protected] https://www.debian.org/security/ Yves-Alexis Perez September 06, 2026 https://www.debian.org/security/faq -...

PT-2026-89677

Name of the Vulnerable Software and Affected Versions strongSwan versions 4.2.0 through 6.0.7 Description A NULL pointer dereference exists in the x509 plugin's attribute certificate parser. This issue is network exploitable and requires no authentication, potentially leading to a Denial of Servi...

PT-2026-89737

Name of the Vulnerable Software and Affected Versions strongSwan versions 4.2.0 through 6.0.7 Description A memory leak occurs in the x509 plugin's attribute certificate parser, where memory is not released after its effective lifetime. Recommendations Update strongSwan to a version later than...

PT-2026-89738

Name of the Vulnerable Software and Affected Versions strongSwan versions 5.1.3 through 6.0.7 Description An infinite loop exists in the x509 plugin's attribute certificate parser when processing ietfAttrSyntax. This issue can lead to a Denial of Service DoS and is exploitable over the network...

Debian dsa-6487 : charon-cmd - security update

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6487 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6487-1 [email protected] https://www.debian.org/securit...

openwisp-controller v1.3.0

openwisp-controller .. image:: https://github.com/openwisp/openwisp-controller/actions/workflows/ci.yml/badge.svg :target: https://github.com/openwisp/openwisp-controller/actions/workflows/ci.yml :alt: CI build status .. image:: https://coveralls.io/repos/openwisp/openwisp-controller/badge.svg...

Security Bulletin: DataStage on Cloud Pak for Data has several vulnerabilities due to open source software

Summary Open source packages are used as part of the overall processing in DataStage on Cloud Pak for Data. Vulnerability Details CVEID:CVE-2026-32280 DESCRIPTION: During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are...

Important: Red Hat Security Advisory: buildah security update

An update for buildah 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 from...