golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip

A flaw was found in the archive/zip package in the Go standard library. A super-linear file name indexing algorithm is used in the first time a file in an archive is opened. A crafted zip archive containing a specific arrangement of file names can cause an excessive CPU and memory consumption. A ...

CVE-2026-33810

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...

cmd/go: cmd/go: Arbitrary file write via malicious pkg-config directive

A flaw was found in cmd/go. An attacker can exploit this by building a malicious Go source file that uses the 'cgo pkg-config:' directive. This allows the attacker to write to an arbitrary file with partial control over its content, by providing a '--log-file' argument to the pkg-config command...

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...

cmd/go: cmd/go: Arbitrary file write via malicious pkg-config directive

A flaw was found in cmd/go. An attacker can exploit this by building a malicious Go source file that uses the 'cgo pkg-config:' directive. This allows the attacker to write to an arbitrary file with partial control over its content, by providing a '--log-file' argument to the pkg-config command...

Important: Red Hat Security Advisory: golang security update

An update for golang is now available for Red Hat Enterprise Linux 9.2 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...

CVE-2026-27140

A flaw was found in the Go programming language golang and its command-line tool cmd/go. A remote attacker could exploit this during the build process by crafting malicious SWIG Simplified Wrapper and Interface Generator file names that contain "cgo" and specific payloads. This could lead to code...

CLSA-2026-1776070934 grafana: Fix of CVE-2026-25679

rebuild with golang 1.25.7-els2 which fixes the following CVEs - - CVE-2026-25679: fix insufficient validation of host/authority in net/url.Parse...

BIT-GOLANG-2026-27140 Code execution vulnerability in SWIG code generation in cmd/go

SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling and arbitrary code execution at build time due to trust layer bypass...

crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate

A flaw was found in golang. A remote attacker could exploit this vulnerability by providing a specially crafted certificate during the error string construction process within the HostnameError.Error function. This flaw, caused by unbounded string concatenation, leads to excessive resource...

golang: net/url: Memory exhaustion in query parameter parsing in net/url

A flaw was found in the net/url package in the Go standard library. The package does not enforce a limit on the number of unique query parameters it parses. A Go application using the net/http.Request.ParseForm method will try to process all parameters provided in the request. A specially crafted...

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...

Amazon Linux 2023 : credentials-fetcher (ALAS2023-2026-1551)

"It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1551 advisory. gRPC-Go is the Go language implementation of gRPC. Versions prior to 1.79.3 have an authorization bypass resulting from improper input validation of the HTTP/2 :path pseudo-header. The gRPC-Go server...

Important: amazon-cloudwatch-agent

Issue Overview: url.Parse insufficiently validated the host/authority component and accepted some invalid URLs. CVE-2026-25679 On Unix platforms, when listing the contents of a directory using File.ReadDir or File.Readdir the returned FileInfo could reference a file outside of the Root in which t...

Important: ecs-init

Issue Overview: url.Parse insufficiently validated the host/authority component and accepted some invalid URLs. CVE-2026-25679 On Unix platforms, when listing the contents of a directory using File.ReadDir or File.Readdir the returned FileInfo could reference a file outside of the Root in which t...

RHEL 8 : go-toolset:rhel8 (RHSA-2026:7878)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:7878 advisory. Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang. Security Fixes: cmd/go: cmd/go:...

Amazon Linux 2023 : nerdctl (ALAS2023-2026-1535)

"It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1535 advisory. url.Parse insufficiently validated the host/authority component and accepted some invalid URLs. CVE-2026-25679 On Unix platforms, when listing the contents of a directory using File.ReadDir o...

RHEL 8 : go-toolset:rhel8 (RHSA-2026:7876)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:7876 advisory. Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang. Security Fixes: cmd/go: cmd/go:...

Amazon Linux 2023 : soci-snapshotter (ALAS2023-2026-1573)

"It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1573 advisory. url.Parse insufficiently validated the host/authority component and accepted some invalid URLs. CVE-2026-25679 On Unix platforms, when listing the contents of a directory using File.ReadDir o...

Important: credentials-fetcher

Issue Overview: gRPC-Go is the Go language implementation of gRPC. Versions prior to 1.79.3 have an authorization bypass resulting from improper input validation of the HTTP/2 :path pseudo-header. The gRPC-Go server was too lenient in its routing logic, accepting requests where the :path omitted...