DescriptionA serialization vulnerability in logback receiver component part of logback version 1.4.11 allows an attacker to mount a Denial-Of-Service attack by sending poisoned data.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1057423

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
logback (PTS)buster1:1.2.3-5vulnerable
sid, trixie1:1.2.11-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[bookworm] - logback <no-dsa> (Minor issue)
[bullseye] - logback <no-dsa> (Minor issue)
[buster] - logback <postponed> (Minor issue, DoS)
Fixed by: (v_1.3.12)
Fixed by: (v_1.2.13)
Only exploitable if logback receiver component is deployed:
When fixing the issue make sure to to not introduce CVE-2023-6481 which is
assigned for an incomplete fix for CVE-2023-6378.

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