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CVE-2026-40226

Medium priority
Needs evaluation

In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.

1 affected package

systemd

Package 20.04 LTS
systemd Needs evaluation
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CVE-2026-40225

Medium priority
Needs evaluation

In udev in systemd before 260, local root execution can occur via malicious hardware devices and unsanitized kernel output.

1 affected package

systemd

Package 20.04 LTS
systemd Needs evaluation
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CVE-2026-40224

Medium priority
Needs evaluation

In systemd 259 before 260, there is local privilege escalation in systemd-machined because varlink can be used to reach the root namespace.

1 affected package

systemd

Package 20.04 LTS
systemd Needs evaluation
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CVE-2026-40223

Medium priority
Needs evaluation

In systemd 258 before 260, a local unprivileged user can trigger an assert when a Delegate=yes and User=<unset> unit exists and is running.

1 affected package

systemd

Package 20.04 LTS
systemd Needs evaluation
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CVE-2026-40023

Medium priority
Needs evaluation

Apache Log4cxx's XMLLayout https://logging.apache.org/log4cxx/1.7.0/classlog4cxx_1_1xml_1_1XMLLayout.html , in versions before 1.7.0, fails to sanitize characters forbidden by the XML 1.0 specification...

1 affected package

log4cxx

Package 20.04 LTS
log4cxx Needs evaluation
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CVE-2026-40021

Medium priority
Needs evaluation

Apache Log4net's XmlLayout https://logging.apache.org/log4net/manual/configuration/layouts.html#layout-list and XmlLayoutSchemaLog4J https://logging.apache.org/log4net/manual/configuration/layouts.html#layout-list , in versions...

1 affected package

log4net

Package 20.04 LTS
log4net Needs evaluation
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CVE-2026-34481

Medium priority
Needs evaluation

Apache Log4j's JsonTemplateLayout https://logging.apache.org/log4j/2.x/manual/json-template-layout.html , in versions up to and including 2.25.3, produces invalid JSON output when log events contain non-finite floating-point...

2 affected packages

apache-log4j1.2, apache-log4j2

Package 20.04 LTS
apache-log4j1.2 Needs evaluation
apache-log4j2 Needs evaluation
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CVE-2026-34480

Medium priority
Needs evaluation

Apache Log4j Core's XmlLayout https://logging.apache.org/log4j/2.x/manual/layouts.html#XmlLayout , in versions up to and including 2.25.3, fails to sanitize characters forbidden by the XML 1.0 specification...

2 affected packages

apache-log4j1.2, apache-log4j2

Package 20.04 LTS
apache-log4j1.2 Needs evaluation
apache-log4j2 Needs evaluation
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CVE-2026-34479

Medium priority
Needs evaluation

The Log4j1XmlLayout from the Apache Log4j 1-to-Log4j 2 bridge fails to escape characters forbidden by the XML 1.0 standard, producing malformed XML output. Conforming XML parsers are required to reject documents containing such...

2 affected packages

apache-log4j1.2, apache-log4j2

Package 20.04 LTS
apache-log4j1.2 Needs evaluation
apache-log4j2 Needs evaluation
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CVE-2026-34478

Medium priority
Needs evaluation

Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.html#RFC5424Layout , in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of...

2 affected packages

apache-log4j1.2, apache-log4j2

Package 20.04 LTS
apache-log4j1.2 Needs evaluation
apache-log4j2 Needs evaluation
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