AZL-99168 CVE-2026-56855 affecting package cf-cli for versions less than 8.7.11-9

Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. Now, we handle all RFC 4254 channel messages; global requests are handled explicitly. Then, treat all other messages as a protocol error and tear the connectio...

AZL-99147 CVE-2026-56855 affecting package podman 5.6.1-10

Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. Now, we handle all RFC 4254 channel messages; global requests are handled explicitly. Then, treat all other messages as a protocol error and tear the connectio...

AZL-99309 CVE-2026-56855 affecting package nvidia-container-toolkit 1.17.8-4

Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. Now, we handle all RFC 4254 channel messages; global requests are handled explicitly. Then, treat all other messages as a protocol error and tear the connectio...

AZL-99270 CVE-2026-56855 affecting package libcontainers-common 20240213-3

Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. Now, we handle all RFC 4254 channel messages; global requests are handled explicitly. Then, treat all other messages as a protocol error and tear the connectio...

CVE-2026-56855

Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. Now, we handle all RFC 4254 channel messages; global requests are handled explicitly. Then, treat all other messages as a protocol error and tear the connectio...

CVE-2026-56855

Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. Now, we handle all RFC 4254 channel messages; global requests are handled explicitly. Then, treat all other messages as a protocol error and tear the connectio...

credential-attacks-toolkit — Updated!

CredAttack — Credential Attacks Toolkit ⚠️ LEGAL NOTICE — Authorised security testing ONLY. Using this tool against systems you do not own or have explicit written permission to test is illegal under the Computer Fraud and Abuse Act US, Computer Misuse Act UK, and equivalent laws worldwide. See...

CVE-2026-56855 Prevent DoS on deadlocked established channel in golang.org/x/crypto/ssh

Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. Now, we handle all RFC 4254 channel messages; global requests are handled explicitly. Then, treat all other messages as a protocol error and tear the connectio...

EUVD-2026-70267

Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. Now, we handle all RFC 4254 channel messages; global requests are handled explicitly. Then, treat all other messages as a protocol error and tear the connectio...

CVE-2026-56855

The golang.org/x/crypto/ssh package is vulnerable to a Denial of Service (DoS) condition where a malicious peer can send crafted messages after a channel is established to deadlock the entire connection . The root cause is the improper handling of channel messages, where certain messages would be...

CVE-2026-78662

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,...

CVE-2026-84381 HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies

HTTPX2 is a next generation HTTP client for Python. Prior to 2.10.0, httpcore2 fails to start TLS in src/httpcore2/httpcore2/sync/socksproxy.py and src/httpcore2/httpcore2/async/socksproxy.py when the remote origin uses wss through a SOCKS5 proxy because the TLS upgrade condition only recognizes...

MGASA-2026-0365 Updated perl-Net-OAuth packages fix security vulnerabilities

Net::OAuth::Client versions before 0.32 for Perl allow the service provider to silently downgrade OAuth 1.0a to OAuth 1.0 in getrequesttoken Net::OAuth versions before 0.32 for Perl allow memory exhaustion via unbounded caching of failed module loads in smartrequire Net::OAuth versions before 0.3...

Important: Red Hat Security Advisory: freerdp security update

An update for freerdp is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

Security update for dovecot22

This update for dovecot22 fixes the following issues: Security issues fixed: CVE-2026-27852: DoS by sending mail with bad header bsc1276799. CVE-2026-33604: SMTP smuggling via missing dot-stuffing after bare carriage return bsc1276802. CVE-2026-33605: managesieve-login: pre-auth crash bsc1276809...

SUSE-SU-2026:3919-1 Security update for dovecot22

This update for dovecot22 fixes the following issues: Security issues fixed: - CVE-2026-27852: DoS by sending mail with bad header bsc1276799. - CVE-2026-33604: SMTP smuggling via missing dot-stuffing after bare carriage return bsc1276802. - CVE-2026-33605: managesieve-login: pre-auth crash...

FreeRDP: FreeRDP: Denial of Service via crafted WindowIcon async message

A flaw was found in FreeRDP. A malicious or compromised Remote Desktop Protocol RDP server can exploit a heap use-after-free vulnerability when a client connects with asynchronous updates enabled. By sending a specially crafted Window Alternate Secondary Order message, the server can trigger memo...

RLSA-2026:62217 Moderate: libssh security update

libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh: libssh: denial of service via zero advertised channel packet size CVE-2026-59843 libssh: libssh: denial of service via oversized SFTP read length CVE-2026-598...

libssh security update

An update is available for libssh. 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 libssh is a library which implements the SSH protocol. It can be used to...

RLSA-2026:62218 Moderate: libssh security update

libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh: libssh: denial of service via zero advertised channel packet size CVE-2026-59843 libssh: libssh: denial of service via oversized SFTP read length CVE-2026-598...