Debian/zookeeper: medium 5.3
An unauthenticated attacker can inject arbitrary fake log lines into Apache ZooKeeper's operational log by sending a crafted add_auth("ensemble", ...) request containing newline characters (\n). When
Action: Upgrade zookeeper to 3.9.6-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.9.6-1 | - |
Fixed versions
| 3.9.6-1 |
Sources
- osv: DEBIAN-CVE-2026-84501#Debian:14/zookeeper
- https://security-tracker.debian.org/tracker/CVE-2026-84501
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