DescriptionIn Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when deserialized, can execute arbitrary code.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs860489

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apache-log4j2 (PTS)buster2.17.1-1~deb10u1fixed
buster (security)2.17.0-1~deb10u1fixed
bullseye (security)2.17.0-1~deb11u1fixed
bookworm, sid2.19.0-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[jessie] - apache-log4j2 <ignored> (Minor issue, no consumers of liblog4j2-java in Jessie)
Fixed by:;h=5dcc19215827db29c993d0305ee2b0d8dd05939d

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