Vulnerability · Published Dec 4, 2023 · Assigned by NCSC.ch

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

High 7.1

In plain English

A high-severity security flaw in logback from QOS.CH Sarl. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.7%top 47.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavench.qos.logback:logback-core1.4.14GHSA-gm62-rw4g-vrc4
Mavench.qos.logback:logback-core1.3.14GHSA-gm62-rw4g-vrc4
Mavench.qos.logback:logback-core1.2.13GHSA-gm62-rw4g-vrc4

Affected products (as reported)

VendorProductVersions
QOS.CH Sarl logback see references

References