EulerOS 2.0 SP11 : openssh (EulerOS-SA-2026-1586)

According to the versions of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : OpenSSH vulnerabilities (USN-8090-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8090-1 advisory. Jeremy Brown discovered that the OpenSSH GSSAPI Key Exchange incorrectly handled disconnecting clients. In non-default configurations...

Ruby on Rails: Rails::HTML::Sanitizer.allowed_uri? returns true for entity-encoded control-character-split javascript: URLs

A vulnerability was discovered in the Rails::HTML::Sanitizer.alloweduri? method of the rails-html-sanitizer library. The method incorrectly returned true for entity-encoded control-character-split javascript: URLs, which could lead to potential security issues if the application relied on the...

USN-8090-2 openssh vulnerabilities

USN-8090-1 fixed vulnerabilities in OpenSSH. This update provides the corresponding updates for Ubuntu 20.04 LTS. Original advisory details: Jeremy Brown discovered that the OpenSSH GSSAPI Key Exchange incorrectly handled disconnecting clients. In non-default configurations where the...

USN-8090-2: OpenSSH vulnerabilities

USN-8090-1 fixed vulnerabilities in OpenSSH. This update provides the corresponding updates for Ubuntu 20.04 LTS. Original advisory details: Jeremy Brown discovered that the OpenSSH GSSAPI Key Exchange incorrectly handled disconnecting clients. In non-default configurations where the...

USN-8090-1 openssh vulnerabilities

Jeremy Brown discovered that the OpenSSH GSSAPI Key Exchange incorrectly handled disconnecting clients. In non-default configurations where the GSSAPIKeyExchange setting is enabled, a remote attacker could use this issue to cause OpenSSH to crash, resulting in a denial of service, or possibly...

USN-8090-1: OpenSSH vulnerabilities

Jeremy Brown discovered that the OpenSSH GSSAPI Key Exchange incorrectly handled disconnecting clients. In non-default configurations where the GSSAPIKeyExchange setting is enabled, a remote attacker could use this issue to cause OpenSSH to crash, resulting in a denial of service, or possibly...

cpython: POP3 command injection in user-controlled commands

A flaw was found in the poplib module in the Python standard library. The poplib module does not reject control characters, such as newlines, in user-controlled input passed to POP3 commands. This issue allows an attacker to inject additional commands to be executed in the POP3 server...

cpython: IMAP command injection in user-controlled commands

A flaw was found in the imaplib module in the Python standard library. The imaplib module does not reject control characters, such as newlines, in user-controlled input passed to IMAP commands. This issue allows an attacker to inject additional commands to be executed in the IMAP server...

CLSA-2026-1773222843 python3: Fix of 2 CVEs

CVE-2025-15366: reject control characters in IMAP commands - CVE-2026-1299: email: verify headers are sound in BytesGenerator...

CVE-2026-26982

Ghostty is a cross-platform terminal emulator. Ghostty allows control characters such as 0x03 Ctrl+C in pasted and dropped text. These can be used to execute arbitrary commands in some shell environments. This attack requires an attacker to convince the user to copy and paste or drag and drop...

SUSE CVE-2026-26982

Ghostty is a cross-platform terminal emulator. Ghostty allows control characters such as 0x03 Ctrl+C in pasted and dropped text. These can be used to execute arbitrary commands in some shell environments. This attack requires an attacker to convince the user to copy and paste or drag and drop...

cpython: IMAP command injection in user-controlled commands

A flaw was found in the imaplib module in the Python standard library. The imaplib module does not reject control characters, such as newlines, in user-controlled input passed to IMAP commands. This issue allows an attacker to inject additional commands to be executed in the IMAP server...

cpython: POP3 command injection in user-controlled commands

A flaw was found in the poplib module in the Python standard library. The poplib module does not reject control characters, such as newlines, in user-controlled input passed to POP3 commands. This issue allows an attacker to inject additional commands to be executed in the POP3 server...

SUSE-SU-2026:20665-1 Security update for python311

This update for python311 fixes the following issues: - CVE-2025-11468: preserving parens when folding comments in email headers. bsc1257029 - CVE-2026-0672: rejects control characters in http cookies. bsc1257031 - CVE-2026-0865: rejecting control characters in wsgiref.headers.Headers, which coul...

SUSE-SU-2026:20662-1 Security update for openssh

This update for openssh fixes the following issues: - CVE-2025-61984: code execution via control characters in usernames when a ProxyCommand is used bsc1251198. - CVE-2025-61985: code execution via '\0' character in ssh: // URI when a ProxyCommand is used bsc1251199...

Envoy affected by off-by-one write in JsonEscaper::escapeString()

Summary An off-by-one write in Envoy::JsonEscaper::escapeString can corrupt std::string null-termination, causing undefined behavior and potentially leading to crashes or out-of-bounds reads when the resulting string is later treated as a C-string. Details The bug is in the control-character...

GHSA-56CJ-WGG3-X943 Envoy affected by off-by-one write in JsonEscaper::escapeString()

Summary An off-by-one write in Envoy::JsonEscaper::escapeString can corrupt std::string null-termination, causing undefined behavior and potentially leading to crashes or out-of-bounds reads when the resulting string is later treated as a C-string. Details The bug is in the control-character...

cpython: IMAP command injection in user-controlled commands

A flaw was found in the imaplib module in the Python standard library. The imaplib module does not reject control characters, such as newlines, in user-controlled input passed to IMAP commands. This issue allows an attacker to inject additional commands to be executed in the IMAP server...

cpython: POP3 command injection in user-controlled commands

A flaw was found in the poplib module in the Python standard library. The poplib module does not reject control characters, such as newlines, in user-controlled input passed to POP3 commands. This issue allows an attacker to inject additional commands to be executed in the POP3 server...