Security update for cosign

This update for cosign fixes the following issues CVE-2026-25680,CVE-2026-25681,CVE-2026-27136,CVE-2026-42502,CVE-2026-42506: multiple issues when parsing HTML files bsc1267044. CVE-2026-33815: memory-safety vulnerability bsc1261811...

SUSE-SU-2026:2827-1 Security update for cosign

This update for cosign fixes the following issues - CVE-2026-25680,CVE-2026-25681,CVE-2026-27136,CVE-2026-42502,CVE-2026-42506: multiple issues when parsing HTML files bsc1267044. - CVE-2026-33815: memory-safety vulnerability bsc1261811. -...

USN-8519-1 golang-go.crypto vulnerabilities

Jakub Ciolek and Nicola Murino discovered that Go Cryptography incorrectly handled SSH agent responses. An attacker could use this to cause a denial of service. CVE-2025-47913 Yuichi Watanabe discovered that Go Cryptography incorrectly handled SSH key exchanges. An attacker could use this to caus...

golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting

A flaw was found in golang.org/x/net/html. A remote attacker could exploit this vulnerability by providing specially crafted HTML. When this arbitrary HTML is parsed and rendered, it can result in an unexpected HTML tree, bypassing input sanitization. This can be leveraged to execute Cross-Site...

golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via HTML parsing bypass

A flaw was found in golang.org/x/net/html. When arbitrary HTML is parsed and then rendered, it can result in an unexpected HTML tree. This allows an attacker to bypass HTML sanitization mechanisms, leading to Cross-Site Scripting XSS attacks in applications. Such attacks can result in information...

golang.org/x/crypto/ssh: golang: golang.org/x/crypto/ssh: Denial of Service via crafted SSH certificate

A flaw was found in golang.org/x/crypto/ssh. SSH servers configured to use CertChecker as a public key callback, without explicitly setting IsUserAuthority or IsHostAuthority, are vulnerable. A remote attacker can exploit this by presenting a specially crafted certificate, causing the server to...

golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted public key with excessive parameters

A flaw was found in golang.org/x/crypto/ssh. The RSA and DSA public key parsers in the affected component did not enforce size limits on key parameters. This vulnerability allows an unauthenticated client to provide a crafted public key with an excessively large modulus or DSA parameter during...

golang.org/x/crypto/ssh: golang: golang.org/x/crypto/ssh: Denial of Service via crafted SSH certificate

A flaw was found in golang.org/x/crypto/ssh. SSH servers configured to use CertChecker as a public key callback, without explicitly setting IsUserAuthority or IsHostAuthority, are vulnerable. A remote attacker can exploit this by presenting a specially crafted certificate, causing the server to...

golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting

A flaw was found in golang.org/x/net/html. A remote attacker could exploit this vulnerability by providing specially crafted HTML. When this arbitrary HTML is parsed and rendered, it can result in an unexpected HTML tree, bypassing input sanitization. This can be leveraged to execute Cross-Site...

golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions

A flaw was found in golang.org/x/crypto/ssh/agent. When a key was added to a remote agent, security restrictions, known as constraint extensions, were not properly processed during the request. This allowed these restrictions to be silently removed when keys were forwarded, leading to the...

AlmaLinux 10 : buildah (ALSA-2026:36199)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:36199 advisory. golang.org/x/crypto/ssh: golang: golang.org/x/crypto/ssh: Denial of Service via crafted SSH certificate CVE-2026-39835 golang.org/x/crypto/ssh:...

Oracle Linux 8 : container-tools:ol8 (ELSA-2026-35833)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-35833 advisory. - bump golang.org/x/crypto to v0.53.0 to fix CVE-2026-39829, CVE-2026-39830, CVE-2026-39832 - rebuild for CVE-2025-68121 - rebuild for CVE-2025-61729 ...

ALSA-2026:37435 Important: golang security, bug fix, and enhancement update

The golang packages provide the Go programming language compiler. Security Fixes: golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing CVE-2026-39821 os: golang: Go os.Root: Symlink following vulnerability allows directory traversal...

AlmaLinux 9 : grafana (ALSA-2026:35828)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:35828 advisory. golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing CVE-2026-39821 Tenable has extracted the...

Fedora 44 : opkssh (2026-a7570524a7)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-a7570524a7 advisory. Update to opkssh 0.15.0. This release fixes several CVEs in bundled/vendored dependencies: - CVE-2026-39829: golang.org/x/crypto/ssh: Denial of...

openSUSE 16 Security Update : podman (openSUSE-SU-2026:21244-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21244-1 advisory. This update for podman fixes the following issues - CVE-2026-34986: github.com/go-jose/go-jose/v4,github.com/go-jose/go-jose/v3: crafted JWE inp...

golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions

A flaw was found in golang.org/x/crypto/ssh/agent. When a key was added to a remote agent, security restrictions, known as constraint extensions, were not properly processed during the request. This allowed these restrictions to be silently removed when keys were forwarded, leading to the...

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.org/x/crypto/ssh: golang: golang.org/x/crypto/ssh: Denial of Service via crafted SSH certificate

A flaw was found in golang.org/x/crypto/ssh. SSH servers configured to use CertChecker as a public key callback, without explicitly setting IsUserAuthority or IsHostAuthority, are vulnerable. A remote attacker can exploit this by presenting a specially crafted certificate, causing the server to...

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...