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...

GHSA-G38G-8GR9-H9XP PickleScan has multiple stdlib modules with direct RCE not in blocklist

Summary picklescan v1.0.3 latest does not block at least 7 Python standard library modules that provide direct arbitrary command execution or code evaluation. A malicious pickle file importing these modules is reported as having 0 issues CLEAN scan. This enables remote code execution that bypasse...

PT-2026-51510

Name of the Vulnerable Software and Affected Versions picklescan versions prior to 1.0.4 Description The software fails to block at least seven Python standard library modules, including uuid, osx support, aix support, pyrepl.pager, and imaplib. This oversight exposes eight functions that allow...

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: Excessive read buffering DoS in http.client

A flaw was found in the http.client module in the Python standard library. When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length. This issue allows a malicious server to cause the client to read large amounts of data into...

cpython: Excessive read buffering DoS in http.client

A flaw was found in the http.client module in the Python standard library. When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length. This issue allows a malicious server to cause the client to read large amounts of data into...

CVE-2025-15366

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. Mitigati...

[SECURITY] [DLA 4354-1] pypy3 security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4354-1 [email protected] https://www.debian.org/lts/security/ Andrej Shadura October 31, 2025 https://wiki.debian.org/LTS -...

[SECURITY] Fedora 43 Update: python3.10-3.10.19-1.fc43

Python 3.10 is an accessible, high-level, dynamically typed, interpreted programming language, designed with an emphasis on code readability. It includes an extensive standard library, and has a vast ecosystem of third-party libraries. The python3.10 package provides the "python3.10" executable:...

EUVD-2025-1935

Malicious code in bioql PyPI...

Medium: python3

Issue Overview: Directory traversal vulnerability in the 1 extract and 2 extractall functions in the tarfile module in Python allows user-assisted remote attackers to overwrite arbitrary files via a .. dot dot sequence in filenames in a TAR archive, a related issue to CVE-2001-1267. CVE-2007-4559...

Medium: python3.9

Issue Overview: The Python standard library functions urllib.parse.urlsplit and urlparse accepted domain names that included square brackets which isn't valid according to RFC 3986. Square brackets are only meant to be used as delimiters for specifying IPv6 and IPvFuture hosts in URLs. This could...

[SECURITY] Fedora 41 Update: python3.10-3.10.16-5.fc41

Python 3.10 is an accessible, high-level, dynamically typed, interpreted programming language, designed with an emphasis on code readability. It includes an extensive standard library, and has a vast ecosystem of third-party libraries. The python3.10 package provides the "python3.10" executable:...

ALPINE-CVE-2025-0938

The Python standard library functions urllib.parse.urlsplit and urlparse accepted domain names that included square brackets which isn't valid according to RFC 3986. Square brackets are only meant to be used as delimiters for specifying IPv6 and IPvFuture hosts in URLs. This could result in...

CVE-2025-0938

The Python standard library functions urllib.parse.urlsplit and urlparse accepted domain names that included square brackets which isn't valid according to RFC 3986. Square brackets are only meant to be used as delimiters for specifying IPv6 and IPvFuture hosts in URLs. This could result in...

CVE-2025-0938 URL parser allowed square brackets in domain names

The Python standard library functions urllib.parse.urlsplit and urlparse accepted domain names that included square brackets which isn't valid according to RFC 3986. Square brackets are only meant to be used as delimiters for specifying IPv6 and IPvFuture hosts in URLs. This could result in...

CVE-2025-0938

The Python standard library functions urllib.parse.urlsplit and urlparse accepted domain names that included square brackets which isn't valid according to RFC 3986. Square brackets are only meant to be used as delimiters for specifying IPv6 and IPvFuture hosts in URLs. This could result in...

CVE-2025-0938

The Python standard library functions urllib.parse.urlsplit and urlparse accepted domain names that included square brackets which isn't valid according to RFC 3986. Square brackets are only meant to be used as delimiters for specifying IPv6 and IPvFuture hosts in URLs. This could result in...

CVE-2025-0938

Summary (CVE-2025-0938): The issue arises in Python’s standard library URL parsing, where urllib.parse.urlsplit/urlparse accepted domain names containing square brackets, contrary to RFC 3986. This leads to differential parsing between Python’s parser and other RFC-compliant parsers. The connecte...

PSF-2025-1

The Python standard library functions urllib.parse.urlsplit and urlparse accepted domain names that included square brackets which isn't valid according to RFC 3986. Square brackets are only meant to be used as delimiters for specifying IPv6 and IPvFuture hosts in URLs. This could result in...