CVE-2026-56854

A flaw was found in golang.org/x/crypto/ssh. The component failed to properly enforce source-address restrictions for several authentication methods, including password and keyboard-interactive callbacks. In applications that misuse the ServerConfig.PublicKeyCallback callback to make security...

CVE-2026-56854 Source-address critical option not enforced for non-public-key auth callbacks in golang.org/x/crypto/ssh

The source-address critical option in the Permissions returned by an authentication callback was only enforced for the PublicKeyCallback and VerifiedPublicKeyCallback paths, extending the fix for CVE-2026-46595. Permissions returned by the PasswordCallback, KeyboardInteractiveCallback,...

CVE-2026-56854

The golang.org/x/crypto package is affected by a vulnerability where the source-address critical option in permissions returned by certain authentication callbacks was not validated. Specifically, the check was only enforced for PublicKeyCallback and VerifiedPublicKeyCallback , meaning restrictio...

CVE-2026-56854 Source-address critical option not enforced for non-public-key auth callbacks in golang.org/x/crypto/ssh

The source-address critical option in the Permissions returned by an authentication callback was only enforced for the PublicKeyCallback and VerifiedPublicKeyCallback paths, extending the fix for CVE-2026-46595. Permissions returned by the PasswordCallback, KeyboardInteractiveCallback,...

Incorrect Authorization

Overview golang.org/x/crypto/ssh is a SSH client and server Affected versions of this package are vulnerable to Incorrect Authorization in NewServerConn, which applied the critical option from the Permissions returned by an authentication callback only on the PublicKeyCallback and...

GO-2026-6303 Source-address critical option not enforced for non-public-key auth callbacks in golang.org/x/crypto/ssh

The source-address critical option in the Permissions returned by an authentication callback was only enforced for the PublicKeyCallback and VerifiedPublicKeyCallback paths, extending the fix for CVE-2026-46595. Permissions returned by the PasswordCallback, KeyboardInteractiveCallback,...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.18.53 security and extras update

Red Hat OpenShift Container Platform release 4.18.53 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.18. Red Hat Product Security has rated this update as having a security impact of...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.19.43 security and extras update

Red Hat OpenShift Container Platform release 4.19.43 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.19. Red Hat Product Security has rated this update as having a security impact of...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.20.34 security and extras update

Red Hat OpenShift Container Platform release 4.20.34 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.20. Red Hat Product Security has rated this update as having a security impact of...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.22.10 security and extras update

Red Hat OpenShift Container Platform release 4.22.10 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.22. Red Hat Product Security has rated this update as having a security impact of...

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 AES-GCM packet decoder inputs

A flaw was found in golang.org/x/crypto/ssh. A remote attacker could send specially crafted inputs to the AES-GCM packet decoder. This could lead to an incorrectly placed cast from bytes to an integer, causing a server-side panic and resulting in a Denial of Service DoS for the affected system...

golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via resource leak from unsolicited SSH responses

A flaw was found in golang.org/x/crypto/ssh. A remote malicious SSH peer can exploit this by sending unsolicited global request responses, which fills an internal buffer and blocks the connection's read loop. This prevents the associated resources from being released, leading to a resource leak p...

buildah security update

An update is available for buildah. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The buildah package provides a tool for facilitating building OCI container...

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...

openSUSE 16 Security Update : buildah (openSUSE-SU-2026:21241-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21241-1 advisory. This update for buildah fixes the following issues - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels...

OPENSUSE-SU-2026:21244-1 Security update for podman

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 input with a missing encrypted key can lead to a denial of service bsc1262856. - CVE-2026-39827: Invoking memory leak when rejecting channels can lead to Do...

RHEL 8 : container-tools:rhel8 (RHSA-2026:35833)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:35833 advisory. The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc. Security Fixes:...

RockyLinux 8 : container-tools:rhel8 (RLSA-2026:35833)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:35833 advisory. github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption JWE object CVE-2026-34986...

SUSE-SU-2026:22442-1 Security update for google-guest-agent

This update for google-guest-agent fixes the following issues - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2 :path pseudo- header bsc1260264. - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allo...