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50 known vulnerabilities.

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Medium 6.5

CVE-2026-27145 Public exploit

Inefficient candidate hostname parsing in crypto/x509

(*x509.Certificate).VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name (SAN) entries. This caused strings.Split(host, ".") to execute repeatedly on the same input hostname. With a large DNS SAN list, verification c…

Go standard library crypto/x509 golang stdlib Debian Ubuntu Azure Linux Wolfi Go

Jun 2, 2026
Medium 4.4

CVE-2025-22870 Public exploit

HTTP Proxy bypass using IPv6 Zone IDs in golang.org/x/net

Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to "*.example.com", a request to "[::1%25.example.com]:80` will incorrectly match and not be prox…

Go standard library golang.org/x/net net/http golang.org/x/net/http/httpproxy Debian Ubuntu Azure Linux Alpine Wolfi Go

Mar 12, 2025
Critical 9.1

CVE-2024-45337 Public exploit

Misuse of connection.serverAuthenticate may cause authorization bypass in golang.org/x/crypto

Applications and libraries which misuse connection.serverAuthenticate (via callback field ServerConfig.PublicKeyCallback) may be susceptible to an authorization bypass. The documentation for ServerConfig.PublicKeyCallback says that "A call to this function do…

golang.org/x/crypto golang.org/x/crypto/ssh katib-suggestion-hyperopt katib-earlystopping Debian Ubuntu Azure Linux Alpine Wolfi Go

Dec 11, 2024
Medium 6.4

CVE-2024-24787 Public exploit

Arbitrary code execution during build on Darwin in cmd/go

On Darwin, building a Go module which contains CGO can trigger arbitrary code execution when using the Apple version of ld, due to usage of the -lto_library flag in a "#cgo LDFLAGS" directive.

Go toolchain cmd/go katib-suggestion-hyperopt katib-earlystopping Azure Linux Wolfi Go

May 8, 2024
High 7.5

CVE-2023-45288 Public exploit EPSS 89%

HTTP/2 CONTINUATION flood in net/http

An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a reques…

Go standard library golang.org/x/net net/http golang.org/x/net/http2 Debian Ubuntu Azure Linux Alpine Wolfi Go

Apr 4, 2024
Medium 6.4

CVE-2020-8559 Public exploit

Privilege escalation from compromised node to cluster

The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a ful…

Kubernetes Kubernetes zot kots Debian Alpine Wolfi Go

Jul 22, 2020