What’s Vulnerable › Vulnerabilities

CVE-2023-6481: Logback "receiver" DOS vulnerability CVE-2023-6378 incomplete fix

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-04 · updated 2026-06-17

Description

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: 1.2.12, 1.3.13, 1.4.13

References

• https://logback.qos.ch/news.html#1.3.12
• https://logback.qos.ch/news.html#1.3.14
• https://logback.qos.ch/news.html#1.3.12
• https://logback.qos.ch/news.html#1.3.14

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