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-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...

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...

USN-8018-1 python3.14, python3.13, python3.12, python3.11, python3.10, python3.9, python3.8, python3.7, python3.6, python3.5, python3.4 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...

RHEL 8 : python3 (RHSA-2026:2128)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:2128 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level...

BIT-PYTHON-MIN-2025-15367 POP3 command injection in user-controlled commands

The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: curl (UTSA-2026-004930)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004930 advisory. When an OAuth2 bearer token is used for an HTTPS transfer, and that transfer performs a cross-protocol redirect to a second URL that uses an IMAP, LDAP, POP3 or SMTP...

CVE-2025-15367

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. Mitigation...

CVE-2025-15367 POP3 command injection in user-controlled commands

The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters...

CVE-2025-15367 POP3 command injection in user-controlled commands

The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters...

CVE-2025-14524

When an OAuth2 bearer token is used for an HTTPS transfer, and that transfer performs a cross-protocol redirect to a second URL that uses an IMAP, LDAP, POP3 or SMTP scheme, curl might wrongly pass on the bearer token to the new target host...

MiracleLinux 4 : dovecot-2.0.9-2.AXS4 (AXSA:2011-212:01)

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2011-212:01 advisory. Dovecot is an IMAP server for Linux/UNIX-like systems, written with security primarily in mind. It also contains a small POP3 server. It supports mai...

Insufficiently Protected Credentials

Overview Affected versions of this package are vulnerable to Insufficiently Protected Credentials during the cross-protocol redirect when OAuth2 bearer is used and username component is set in redirect-to URL. An attacker can obtain sensitive authentication credentials by triggering a...