SUSE-SU-2026:3640-1 Security update for go1.25

This update for go1.25 fixes the following issues: Security issues fixed: - CVE-2026-33818: encoding/asn1: enforce maximum recursion depth bsc1275034. - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalatio...

CVE-2026-56853

A flaw was found in the net/http component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the ReadHeaderTimeout is not correctly applied during this process. This...

net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service

A flaw was found in the net/http component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the ReadHeaderTimeout is not correctly applied during this process. This...

net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service

A flaw was found in the net/http component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the ReadHeaderTimeout is not correctly applied during this process. This...

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...

DEBIAN-CVE-2026-56853

When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. ReadHeaderTimeout is unexpectedly not being applied when doing this...

CVE-2026-56853 Apply ReadHeaderTimeout when doing unencrypted HTTP/2 check in net/http

When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. ReadHeaderTimeout is unexpectedly not being applied when doing this...

CVE-2026-56853 Apply ReadHeaderTimeout when doing unencrypted HTTP/2 check in net/http

When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. ReadHeaderTimeout is unexpectedly not being applied when doing this...

CVE-2026-56853

Technical details about CVE-2026-56853 are not publicly available in the provided documents; monitor for updates.

GO-2026-6089 Apply ReadHeaderTimeout when doing unencrypted HTTP/2 check in net/http

When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. ReadHeaderTimeout is unexpectedly not being applied when doing this...

Denial of Service (DoS)

Overview std/net/http is a Go standard library package std/net/http Affected versions of this package are vulnerable to Denial of Service DoS. Go Vulnerability Report:When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain th...

PT-2026-71895

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. During this process,...

net/http/httputil: golang: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls

A flaw was found in the net/http/httputil package, specifically within the ReverseProxy component. This vulnerability allows the ReverseProxy to forward query parameters that are not visible to Rewrite functions. This occurs because the ReverseProxy does not correctly consider the url.ParseQuery...

net/http/httputil: golang: net/http/httputil: ReverseProxy forwards hidden query parameters, potentially bypassing security controls

A flaw was found in the net/http/httputil package, specifically within the ReverseProxy component. This vulnerability allows the ReverseProxy to forward query parameters that are not visible to Rewrite functions. This occurs because the ReverseProxy does not correctly consider the url.ParseQuery...

CVE-2026-67201 V 0.5.2 SSRF Bypass via Parser Differential in net.urllib and net.http

V through 0.5.2, fixed in commit 85859f0, contains a server-side request forgery SSRF bypass vulnerability that allows attackers to circumvent host-based allowlists by exploiting a parser differential between net.urllib and net.http. Attackers can craft a URL containing a backslash in the authori...

CVE-2026-67201

CVE-2026-67201 describes a SSRF bypass in V’s standard library between net.urllib and net.http up to version 0.5.2. By crafting a URL with a backslash in the authority section, net.urllib.parse() can extract a trusted host for allowlists, while net.http.get() normalizes the backslash and connects...

EUVD-2026-50446

V through 0.5.2, fixed in commit 85859f0, contains a server-side request forgery SSRF bypass vulnerability that allows attackers to circumvent host-based allowlists by exploiting a parser differential between net.urllib and net.http. Attackers can craft a URL containing a backslash in the authori...

CVE-2026-67201 V 0.5.2 SSRF Bypass via Parser Differential in net.urllib and net.http

V through 0.5.2, fixed in commit 85859f0, contains a server-side request forgery SSRF bypass vulnerability that allows attackers to circumvent host-based allowlists by exploiting a parser differential between net.urllib and net.http. Attackers can craft a URL containing a backslash in the authori...

CVE-2026-67201 V 0.5.2 SSRF Bypass via Parser Differential in net.urllib and net.http

V through 0.5.2, fixed in commit 85859f0, contains a server-side request forgery SSRF bypass vulnerability that allows attackers to circumvent host-based allowlists by exploiting a parser differential between net.urllib and net.http. Attackers can craft a URL containing a backslash in the authori...

SUSE-SU-2026:22572-1 Security update for go1.26-openssl

This update for go1.26-openssl fixes the following issues: Update to go1.26.4 bsc1255111. Security issues fixed: - 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. -...