[SECURITY] [DLA 4444-1] apache-log4j2 security update

Debian LTS Advisory DLA-4444-1 [email protected] https://www.debian.org/lts/security/ Markus Koschany January 19, 2026 https://wiki.debian.org/LTS Package : apache-log4j2 Version : 2.17.1-1deb11u2 CVE ID : CVE-2025-68161 Debian Bug : 1123744 In Apache Log4j2, a Java Logging Framework, t...

Apache Log4j 2.0-beta9 < 2.25.3 MitM

The version of Apache Log4j on the remote host is 2.0-beta9 through 2.25.2. The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName...

Improper TLS Hostname Verification

org.apache.logging.log4j, log4j-core is vulnerable to improper TLS hostname verification. The vulnerability is due to the Socket Appender not enforcing TLS hostname verification even when explicitly enabled, which allows a man-in-the-middle attacker to intercept or redirect log traffic by...

The vulnerability of the Socket Appender component in the Apache Log4j Core API library allows a attacker to intercept log traffic.

The vulnerability of the Socket Appender component in the Apache Log4j Core API library implementation is related to improper verification of certificate authenticity. Exploiting this vulnerability could allow an attacker to intercept log traffic remotely...

CVE-2025-68161

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostName configuration attribut...

SUSE CVE-2025-68161

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostName configuration attribut...

Apache Log4j 2.x < 2.25.3 Missing TLS Hostname Verification Vulnerability - Linux

Apache Log4j is prone to a missing TLS hostname verification vulnerability in the socket appender. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier:...

Apache Log4j 2.x < 2.25.3 Missing TLS Hostname Verification Vulnerability - Windows

Apache Log4j is prone to a missing TLS hostname verification vulnerability in the socket appender. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier:...

Improper Validation of Certificate with Host Mismatch

Overview org.apache.logging.log4j:log4j-core is a logging library for Java. Affected versions of this package are vulnerable to Improper Validation of Certificate with Host Mismatch due to the lack of TLS hostname verification in the SocketAppender component. An attacker can intercept or redirect...

GHSA-VC5P-V9HR-52MJ Apache Log4j does not verify the TLS hostname in its Socket Appender

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName configuration attribute or the log4j2.sslVerifyHostName system property is set to true. This issue may allow a...

Apache Log4j does not verify the TLS hostname in its Socket Appender

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName configuration attribute or the log4j2.sslVerifyHostName system property is set to true. This issue may allow a...

CVE-2025-68161

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostName configuration attribut...

DEBIAN-CVE-2025-68161

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostName configuration attribut...

CVE-2025-68161

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostName configuration attribut...

UBUNTU-CVE-2025-68161

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostName configuration attribut...

CVE-2025-68161

CVE-2025-68161 affects Apache Log4j Core Socket Appender (versions 2.0-beta9–2.25.2). Root cause: TLS hostname verification is not performed for peer certificates when configured via verifyHostName or the log4j2.sslVerifyHostName setting. Impact: potential MITM interception/redirection of log tra...

CVE-2025-68161

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostName configuration attribut...

CVE-2025-68161 Apache Log4j Core: Missing TLS hostname verification in Socket appender

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostName configuration attribut...

CVE-2025-68161 Apache Log4j Core: Missing TLS hostname verification in Socket appender

The Socket Appender in Apache Log4j Core versions 2.0-beta9 through 2.25.2 does not perform TLS hostname verification of the peer certificate, even when the verifyHostName https://logging.apache.org/log4j/2.x/manual/appenders/network.htmlSslConfiguration-attr-verifyHostName configuration attribut...

PT-2025-52349

Name of the Vulnerable Software and Affected Versions Apache Log4j Core versions 2.0-beta9 through 2.25.2 Description The Socket Appender in Apache Log4j Core does not verify the hostname of the peer certificate during TLS connections, even when configured to do so. This could allow a...