golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root

A flaw was found in the internal/syscall/unix package in the Go standard library. If the target of the Root.Chmod function is replaced with a symbolic link during execution, specifically after Root.Chmod checks the target but before acting, the chmod operation will be performed on the file the...

OPENSUSE-SU-2026:21483-1 Security update for govulncheck-vulndb

This update for govulncheck-vulndb fixes the following issues: - Update to version 0.0.20260723T184607 2026-07-23T18:46:07Z jscPED-11136. Go CVE Numbering Authority IDs added or updated with aliases: GO-2026-4730 CVE-2026-33022 GHSA-cv4x-93xx-wgfj GO-2026-4761 CVE-2026-33211 GHSA-j5q5-j9gm-2w5c...

Security update for prometheus-ha_cluster_exporter

This update for prometheus-haclusterexporter fixes the following issue: CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation bsc1266552. Other updates and bugfixes: Release 1.4.2 Use proper obs time forma...

SUSE-SU-2026:3416-1 Security update for prometheus-ha_cluster_exporter

This update for prometheus-haclusterexporter fixes the following issue: - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation bsc1266552. Other updates and bugfixes: - Release 1.4.2: Use proper obs time...

RHEL 9 : golang (RHSA-2026:47712)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:47712 advisory. The golang packages provide the Go programming language compiler. Security Fixes: crypto/tls: Unexpected session resumption in crypto/tls...

net/url: Incorrect parsing of IPv6 host literals in net/url

The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid...

crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

Important: Red Hat Security Advisory: golang security, bug fix, and enhancement update

An update for golang is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. 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...

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...

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...

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...

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/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

ROS-20260729-73-0030

The vulnerability of the Go programming language is related to the unlimited distribution of resources. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

ROS-20260729-73-0029

The vulnerability of the Go programming language’s crypto/x509 package is related to errors in the certificate validation process. Exploiting this vulnerability could allow a malicious actor to carry out “man-in-the-middle” attacks...

CVE-2026-54638

gotd/td is a T Telegram MTProto API client in Go. Prior to 0.145.1, proto.UnencryptedMessage.Decode in proto/unencryptedmessage.go read attacker controlled dataLen from an unauthenticated MTProto unencrypted packet and allocated makebyte, dataLen before checking the remaining buffer, allowing...

RLSA-2026:46395 Important: go-fdo-server security update

This package provides a server-side implementation of the FIDO Device Onboard FDO specification, written in Go. FDO is an open standard for the late binding of device credentials, allowing for automated and secure on-boarding of devices when they are first powered on in their final location...