VULNERABILITY INTELLIGENCE

CVE-2007-3304

CVSS score4.7 MEDIUM
EPSS probability3.30%
CISA KEVNot currently listed
Published2007-06-20
Last modified2026-06-16
CVSS vectorAV:L/AC:M/Au:N/C:N/I:N/A:C

Description

Apache httpd 1.3.37, 2.0.59, and 2.2.4 with the Prefork MPM module, allows local users to cause a denial of service by modifying the worker_score and process_score arrays to reference an arbitrary process ID, which is sent a SIGUSR1 signal from the master process, aka "SIGUSR1 killer."

Primary references