CVE-2023-6481: Qos Logback

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A serialization vulnerability in logback receiver component part of logback version 1.4.13, 1.3.13 and 1.2.12 allows an attacker to mount a Denial-Of-Service attack by sending poisoned data.

Affected products

• Qos Logback: version 1.2.12 only; version 1.3.13 only; version 1.4.13 only

Published 2023-12-04. Last modified 2026-06-17.