Python -- poplib module, when passed a user-controlled command, can have additional commands injected using newlines

Python Software Foundation Security Developer reports: The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters...

Python -- imaplib module, when passed a user-controlled command, can have additional commands injected using newlines

Python Software Foundation Security Developer reports: The imaplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters...

PT-2026-3671

Name of the Vulnerable Software and Affected Versions http.cookies.Morsel affected versions not specified Description User-controlled cookie values and parameters within http.cookies.Morsel can potentially allow the injection of HTTP headers into messages. A patch has been implemented to address...

PT-2026-3663

Name of the Vulnerable Software and Affected Versions imaplib affected versions not specified Description The imaplib module is susceptible to command injection when processing user-supplied commands. Specifically, the module can be exploited by injecting additional commands using newline...

PT-2026-3664

Name of the Vulnerable Software and Affected Versions poplib affected versions not specified Description The poplib module is susceptible to command injection when processing user-supplied commands. Specifically, the module can be exploited to inject additional commands through the use of newline...

python -- several security vulnerabilities

The Python project announces a new release with several security fixes: CVE-2026-1299: gh-144125: BytesGenerator will now refuse to serialize write headers that are unsafely folded or delimited; see verifygeneratedheaders. Contributed by Bas Bloemsaat and Petr Viktorin in gh-121650. gh-143935:...

Moderate: Red Hat Security Advisory: openssh security update

An update for openssh is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand

A flaw was found in OpenSSH where control characters in usernames were not properly validated when sourced from untrusted inputs like the command line or configuration expansion. If a ProxyCommand is used, these control characters could modify command behavior, potentially leading to code executi...

RHEL 9 : openssh (RHSA-2026:0693)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:0693 advisory. OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files...

MiracleLinux 9 : openssh-8.7p1-47.el9_7.ML.1 (AXSA:2025-11563:07)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-11563:07 advisory. openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand CVE-2025-61984 openssh: OpenSSH: Null character in...

MiracleLinux 8 : openssh-8.0p1-27.el8_10 (AXSA:2025-11617:08)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-11617:08 advisory. openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand CVE-2025-61984 openssh: OpenSSH: Null character in...

CLSA-2026-1768211438 git: Fix of 2 CVEs

CVE-2025-52005: add sideband.allowControlCharacters config which gives a possibility to avoid control characters in sideband - CVE-2024-52006: fix newline confusion in credential helpers that can lead to credential exfiltration...

CLSA-2026-1768210963 git: Fix of 2 CVEs

CVE-2025-52005: add sideband.allowControlCharacters config which gives a possibility to avoid control characters in sideband - CVE-2024-52006: fix newline confusion in credential helpers that can lead to credential exfiltration...

CVE-2026-21439

badkeys is a tool and library for checking cryptographic public keys for known vulnerabilities. In versions 0.0.15 and below, an attacker may inject content with ASCII control characters like vertical tabs, ANSI escape sequences, etc., that can create misleading output of the badkeys command-line...

badkeys 安全漏洞

badkeys is an open source library of tools from badkeys to check cryptographic public keys for vulnerabilities. A security vulnerability exists in badkeys version 0.0.15 and earlier, which stems from the fact that an attacker can inject content containing ASCII control characters, potentially...

CVE-2026-21439

CVE-2026-21439 affects the badkeys tool/library, where versions ≤0.0.15 allow ASCII control characters (e.g., vertical tabs, ANSI escape sequences) to inject misleading output in DKIM scanning (--dkim/--dkim-dns), SSH lines (--ssh-lines), and related filenames. The issue is fixed in version 0.0.1...

CVE-2026-21439 badkeys vulnerable to ASCII control character injection on console via malformed input

badkeys is a tool and library for checking cryptographic public keys for known vulnerabilities. In versions 0.0.15 and below, an attacker may inject content with ASCII control characters like vertical tabs, ANSI escape sequences, etc., that can create misleading output of the badkeys command-line...

CVE-2026-21439 badkeys vulnerable to ASCII control character injection on console via malformed input

badkeys is a tool and library for checking cryptographic public keys for known vulnerabilities. In versions 0.0.15 and below, an attacker may inject content with ASCII control characters like vertical tabs, ANSI escape sequences, etc., that can create misleading output of the badkeys command-line...

EUVD-2026-0823

badkeys vulnerable to ASCII control character injection on console via malformed input...

Improper Neutralization

Overview badkeys is a Check cryptographic keys for known weaknesses Affected versions of this package are vulnerable to Improper Neutralization of ASCII control characters in the badkeys command-line tool. An attacker can manipulate console output to display misleading or deceptive information by...