CLSA-2026-1777026478 Fix CVE(s): CVE-2026-34980

SECURITY UPDATE: control-character injection in scheduler option handling - debian/patches/CVE-2026-34980.patch: filter control characters from IPP string option values and reject "special" PPD keywords cupsFilter, cupsFilter2, etc. reported back by job filters to prevent filter/command injection...

CLSA-2026-1777042487 Fix CVE(s): CVE-2026-34980

SECURITY UPDATE: filter control characters from option values in the scheduler to prevent PPD keyword injection via Print-Job. - debian/patches/CVE-2026-34980.patch: filter out control characters from IPP option values in scheduler/job.c and filter out special PPD keywords in the CUPSDLOGPPD bran...

CLSA-2026-1776788057 cups: Fix of CVE-2026-34980

CVE-2026-34980: filter control characters from option values in the scheduler to prevent PPD keyword injection via Print-Job...

CLSA-2026-1776767380 cups: Fix of 3 CVEs

CVE-2026-34980: filter control characters from option values in the scheduler to prevent PPD keyword injection via Print-Job - CVE-2026-39314: range check job-password-supported to prevent integer underflow in ppdCreateFromIPP - CVE-2026-39316: expire per-printer subscriptions before deleting the...

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-2026-1776687226 Fix CVE(s): CVE-2024-52005

SECURITY UPDATE: ANSI escape sequence injection via sideband - debian/patches/CVE-2024-52005.patch: add strbufaddsanitized to mask control characters in sideband output in sideband.c. - CVE-2024-52005...

[slackware-security] cups

New cups packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/cups-2.4.17-i586-1slack15.0.txz: Upgraded. This update fixes security issues: The scheduler treated local user and group names as...

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...

cpython: Incomplete control character validation in http.cookies

A control character validation flaw has been discovered in the Python http.cookie module. The Morsel.update, |= operator, and unpickling paths were not patched to resolve CVE-2026-0672, allowing control characters to bypass input validation. Additionally, BaseCookie.jsoutput lacked the output...

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: Incomplete control character validation in http.cookies

A control character validation flaw has been discovered in the Python http.cookie module. The Morsel.update, |= operator, and unpickling paths were not patched to resolve CVE-2026-0672, allowing control characters to bypass input validation. Additionally, BaseCookie.jsoutput lacked the output...

CVE-2026-6494

CVE-2026-6494 describes a log-injection vulnerability in the AAP MCP server. An unauthenticated remote attacker can send specially crafted input to the toolsetroute parameter, which is written to logs without proper sanitization. This allows insertion of control characters (e.g., newlines and ANS...

CLSA-2026-1776091275 python3.9: Fix of CVE-2025-15366

CVE-2025-15366: reject control characters in IMAP commands...

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...

Header Injection

aiohttp is vulnerable to Header Injection. The vulnerability is due to the C parser llhttp accepting null bytes and control characters in response header values, where crafted header values containing these characters can be interpreted differently by the application or downstream proxies,...

CLSA-2026-1775223681 python: Fix of CVE-2025-15367

CVE-2025-15367: reject control characters in POP3 commands to prevent command injection via newlines...

CLSA-2026-1775222005 python: Fix of CVE-2025-15367

CVE-2025-15367: reject control characters in POP3 commands to prevent command injection via newlines...

Linux Distros Unpatched Vulnerability : CVE-2026-34520

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, the C parser the default for most installs accepted nul...

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...