CVE-2026-39834

When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty packets without making progress. The size comparison now uses int64 to prevent truncation...

PT-2026-42706

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description An authenticated SSH client can cause unbounded memory growth by repeatedly opening channels that are rejected by the server. This leads to the server process...

RockyLinux 9 : cockpit: Unauthenticated remote code execution due to SSH command-line argument injection (Critical) (RLSA-2026:7384)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:7384 advisory. cockpit: ws: be more explicit when handling hostnames on cli CVE-2026-4631 Tenable has extracted the preceding description block directly from the RockyLinux...

Dell PowerFlex Manager 加密问题漏洞

Dell PowerFlex Manager is a software-defined infrastructure deployment and lifecycle management platform developed by the American company Dell. Versions of Dell PowerFlex Manager prior to 4.6.2 contained an encryption vulnerability. This vulnerability stemmed from the use of defective or high-ri...

CVE-2026-39828

When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded. Returning non-nil Permissions with PartialSuccessError...

Google Go 安全漏洞

Google Go is a static, strongly typed, compiled, concurrent programming language with garbage collection features from the American company Google. There is a security vulnerability in Google Go, which stems from malicious SSH peers being able to send unrequested global request responses that can...

RockyLinux 9 : openssh (RLSA-2025:23480)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:23480 advisory. openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand CVE-2025-61984 openssh: OpenSSH: Null character in ssh://...

Google Go 安全漏洞

Google Go is a static, strongly typed, compiled, concurrent programming language with garbage collection features from the American company Google. There is a security vulnerability in Google Go, which occurs when using CertChecker as a public key callback without setting IsUserAuthority or IsHos...

CVE-2026-39835

SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil...

CVE-2026-39830

A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close, resulting in a resource leak per connection. Unsolicited global responses are now discarded...

kernel: Read root-owned files as an unprivileged user

A vulnerability was found in the Linux kernel that allows an unprivileged local user to read sensitive files normally restricted to the root user. The flaw occurs during process exit, where a brief window allows an attacker to intercept file access from a privileged process before it fully...

cockpit: Unauthenticated remote code execution due to SSH command-line argument injection

An update is available for cockpit. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Cockpit enables users to administer GNU/Linux servers using a web browser. I...

openssh security update

An update is available for openssh. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list OpenSSH is an SSH protocol implementation supported by a number of Linux,...

RLSA-2026:7383 Critical: cockpit: Unauthenticated remote code execution due to SSH command-line argument injection

Cockpit enables users to administer GNU/Linux servers using a web browser. It offers network configuration, log inspection, diagnostic reports, SELinux troubleshooting, interactive command-line sessions, and more. Security Fixes: cockpit: ws: be more explicit when handling hostnames on cli...

cockpit: Unauthenticated remote code execution due to SSH command-line argument injection

An update is available for cockpit. 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 Cockpit enables users to administer GNU/Linux servers using a web browser. It...

RLSA-2025:23480 Moderate: openssh security update

OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server. Security Fixes: openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand...

kernel: Read root-owned files as an unprivileged user

A vulnerability was found in the Linux kernel that allows an unprivileged local user to read sensitive files normally restricted to the root user. The flaw occurs during process exit, where a brief window allows an attacker to intercept file access from a privileged process before it fully...

Arbitrary Command Injection

Overview Affected versions of this package are vulnerable to Arbitrary Command Injection via the ProxyCommand process. An attacker can execute arbitrary commands on the system by injecting malicious input into the SSH ProxyCommand configuration. Remediation Upgrade github.com/kopia/kopia/cli to...

golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: SSH client panic due to unexpected SSH_AGENT_SUCCESS

A flaw in golang.org/x/crypto/ssh/agent causes the SSH agent client to panic when a peer responds with the generic SSHAGENTSUCCESS 0x06 message to requests expecting typed replies e.g., List, Sign. The unmarshal layer produces an unexpected message type, which the client code does not handle,...

Astra Linux – Vulnerability in xorg-server

A vulnerability was discovered in X.Org. This security flaw arises because the handler for the ScreenSaverSetAttributes request may write to memory after it has been freed. This issue can lead to local privileges escalation on systems where the X server is running with privileged access, and may...