OESA-2026-2251 golang security update

. Security Fixes: 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.CVE-2026-27140 tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive containing...

EUVD-2026-28419

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash...

DEBIAN-CVE-2026-33811

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash...

AZL-98853 CVE-2026-33811 affecting package golang 1.27.1-1

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash...

CVE-2026-33811 Crash when handling long CNAME response in net

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash...

CVE-2026-33811 Crash when handling long CNAME response in net

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash...

CVE-2026-33811

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash...

CVE-2026-33811

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash...

CVE-2026-33811

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash...

Double Free

Overview std/net is a Go standard library package std/net Affected versions of this package are vulnerable to Double Free. Go Vulnerability Report: When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash. Remediation Upgrade...

CVE-2026-33811: Double Free

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash...

Amazon Linux 2 : golang, --advisory ALAS2-2026-3259 (ALAS-2026-3259)

The version of golang installed on the remote host is prior to 1.25.9-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3259 advisory. SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling and arbitrary code execution at...

cmd/go: golang: Go (golang) and cmd/go: Arbitrary Code Execution via malicious SWIG file names

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...

cmd/go: golang: Go (golang) and cmd/go: Arbitrary Code Execution via malicious SWIG file names

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...

K000160934: Multiple Go vulnerabilities

Security Advisory Description CVE-2023-45285 Using go get to fetch a module with the ".git" suffix may unexpectedly fallback to the insecure "git://" protocol if the module is unavailable via the secure "https://" and "git+ssh://" protocols, even if GOINSECURE is not set for said module. This onl...

SUSE-SU-2026:21355-1 Security update for go1.25

This update for go1.25 fixes the following issues: - Update to version go1.25.9 bsc1244485. - CVE-2026-27140: cmd/go: trust layer bypass when using cgo and SWIG bsc1261653. - CVE-2026-27143: cmd/compile: possible memory corruption after bound check elimination bsc1261654. - CVE-2026-27144:...

PT-2026-38560

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description When using the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory, leading to a crash. This occurs specifically when utilizing th...

SUSE-SU-2026:1321-1 Security update for go1.25

This update for go1.25 fixes the following issues: - Update to go1.25.9 bsc1244485. - CVE-2026-27140: cmd/go: trust layer bypass when using cgo and SWIG bsc1261653. - CVE-2026-27143: cmd/compile: possible memory corruption after bound check elimination bsc1261654. - CVE-2026-27144: cmd/compile:...

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...

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...