golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Security key bypass due to missing user presence check

A flaw was found in golang.org/x/crypto/ssh. The Verify method, responsible for FIDO/U2F security key types, did not properly check for user presence. This allowed signatures to be accepted without requiring a physical touch on the hardware security key. As a result, an attacker could potentially...

OPENSUSE-SU-2026:21835-1 Security update for trivy

This update for trivy fixes the following issues: - CVE-2026-53495: containerd: CRI ExecSync goroutine leak can lead to node-level denial of service bsc1280111. - CVE-2026-56854: golang.org/x/crypto/ssh: unenforced source-address restrictions across non-public-key authentication callbacks can cau...

CVE-2026-56855

A flaw was found in golang.org/x/crypto/ssh. After a channel has been established, a remote malicious peer could send specially crafted messages. This could lead to a deadlock of the entire connection, resulting in a Denial of Service DoS for the affected system. Mitigation Red Hat is not aware o...

CVE-2026-78662 Prevent DoS on deadlocked undecided channel in golang.org/x/crypto/ssh

Previously, a channel registered in the mux's chanList is not usable until it is established. A malicious peer was able flood the channel's incomingRequests, deadlocking the entire connection. Now, we add an atomic established state, set when a channel becomes usable. Until such a time,...

Allocation of Resources Without Limits or Throttling

Overview github.com/golang/crypto/ssh is a SSH client and server Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the connection multiplexer's channel handling the mux chanList, reached through Dial, NewClientConn, NewControlClientConn, a...

Allocation of Resources Without Limits or Throttling

Overview github.com/golang/crypto/ssh is a SSH client and server Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in its connection multiplexing, reached through Dial, NewClientConn, NewControlClientConn, and NewServerConn, which buffers...

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...

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...

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 SLES15 Security Update : amazon-ssm-agent (SUSE-SU-2026:2467-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2467-1 advisory. This update for amazon-ssm-agent fixes the following issues Update to version 3.3.4624.0: - CVE-2025-22869: golang.org/x/crypto/ssh...

Security update for amazon-ssm-agent

This update for amazon-ssm-agent fixes the following issues Update to version 3.3.4624.0: CVE-2025-22869: golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh bsc1239342. CVE-2025-22870: golang.org/x/net/proxy: proxy bypass using IPv6 zone IDs bsc1238702...

Missing Release of Resource after Effective Lifetime

Overview github.com/golang/crypto/ssh is a SSH client and server Affected versions of this package are vulnerable to Missing Release of Resource after Effective Lifetime through the repeated opening of channels by an authenticated SSH client that are subsequently rejected by the server. An attack...

Missing Release of Resource after Effective Lifetime

Overview golang.org/x/crypto/ssh is a SSH client and server Affected versions of this package are vulnerable to Missing Release of Resource after Effective Lifetime through the repeated opening of channels by an authenticated SSH client that are subsequently rejected by the server. An attacker ca...

Incorrect Type Conversion or Cast

Overview github.com/golang/crypto/ssh is a SSH client and server Affected versions of this package are vulnerable to Incorrect Type Conversion or Cast due to an incorrectly placed cast from bytes to int in the AES-GCM packet decoder process. An attacker can cause a server-side panic by sending...

Incorrect Authorization

Overview github.com/golang/crypto/ssh is a SSH client and server Affected versions of this package are vulnerable to Incorrect Authorization due to improper enforcement of permissions in the VerifiedPublicKeyCallback process. An attacker can bypass source-address validation by passing a callback...

CVE-2026-39827 Invoking memory leak when rejecting channels can lead to DoS in golang.org/x/crypto/ssh

An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for...

CVE-2026-46595 Invoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh

Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped...

CVE-2026-46597 Invoking byte arithmetic causes underflow and panic in golang.org/x/crypto/ssh

An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs...