RHEL 9 : python3.12 (RHSA-2026:4165)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:4165 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level...

RHEL 9 : python3.9 (RHSA-2026:4168)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:4168 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level...

Moderate: python3.9 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

USN-8018-2 python3.4, python3.5, python3.6, python3.7, python3.8, python3.9, python3.10, python3.11, python3.12, python3.13, python3.14 regression

USN-8018-1 fixed vulnerabilities in python3. That update introduced regressions. The patches for CVE-2025-15366 and CVE-2025-15367 caused behavior regressions in IMAP and POP3 handling, which upstream chose to avoid by not backporting them. Additionally, the patch for CVE-2026-0865 incorrectly...

USN-8018-2: Python regression

USN-8018-1 fixed vulnerabilities in python3. That update introduced regressions. The patches for CVE-2025-15366 and CVE-2025-15367 caused behavior regressions in IMAP and POP3 handling, which upstream chose to avoid by not backporting them. Additionally, the patch for CVE-2026-0865 incorrectly...

CLSA-2026-1771931183 python2: Fix of CVE-2025-15367

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

CLSA-2026-1771930823 python2: Fix of CVE-2025-15367

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

CVE-2026-23610

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the POP2Exchange configuration endpoint. An authenticated user can supply HTML/JavaScript in the POP3 server login field within the JSON "popServers" payload to...

CVE-2026-23610 GFI MailEssentials AI < 22.4 POP2Exchange POP3 Server Login Stored XSS

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the POP2Exchange configuration endpoint. An authenticated user can supply HTML/JavaScript in the POP3 server login field within the JSON "popServers" payload to...

CVE-2026-23610 GFI MailEssentials AI < 22.4 POP2Exchange POP3 Server Login Stored XSS

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the POP2Exchange configuration endpoint. An authenticated user can supply HTML/JavaScript in the POP3 server login field within the JSON "popServers" payload to...

CLSA-2026-1771499011 python3: Fix of 3 CVEs

CVE-2025-15366: reject control characters in IMAP commands - CVE-2025-15367: reject control characters in POP3 commands - CVE-2026-1299: reject the incorrectly folded headers in "BytesGenerator"...

CLSA-2026-1771494614 python3: Fix of 3 CVEs

CVE-2025-15366: reject control characters in IMAP commands - CVE-2025-15367: reject control characters in POP3 commands - CVE-2026-1299: reject the incorrectly folded headers in "BytesGenerator"...

CVE-2026-23610: Improper Neutralization of Input During Web Page Generation

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the POP2Exchange configuration endpoint. An authenticated user can supply HTML/JavaScript in the POP3 server login field within the JSON "popServers" payload to...

CVE-2019-25364 Win10 MailCarrier 2.51 - 'POP3 User' Remote Buffer Overflow

MailCarrier 2.51 contains a buffer overflow vulnerability in the POP3 USER command that allows remote attackers to execute arbitrary code. Attackers can send a crafted oversized buffer to the POP3 service, overwriting memory and potentially gaining remote system access...

CVE-2019-25364: Stack-based Buffer Overflow

MailCarrier 2.51 contains a buffer overflow vulnerability in the POP3 USER command that allows remote attackers to execute arbitrary code. Attackers can send a crafted oversized buffer to the POP3 service, overwriting memory and potentially gaining remote system access...

MiracleLinux 8 : python3-3.6.8-73.el8_10.ML.1 (AXSA:2026-153:02)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-153:02 advisory. cpython: wsgiref.headers.Headers allows header newline injection in Python CVE-2026-0865 cpython: IMAP command injection in user-controlled commands...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 : Python vulnerabilities (USN-8018-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8018-1 advisory. Denis Ledoux discovered that Python incorrectly parsed email message headers. An...

USN-8018-1: Python vulnerabilities

Denis Ledoux discovered that Python incorrectly parsed email message headers. An attacker could possibly use this issue to inject arbitrary headers into email messages. This issue only affected python3.6, python3.7, python3.8, python3.9, python3.10, python3.11, python3.12, python3.13, and...

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...

Moderate: Red Hat Security Advisory: python3 security update

An update for python3 is now available for Red Hat Enterprise Linux 8. 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 each vulnerability from th...