VULNERABILITY INTELLIGENCE
CVE-2009-2533
CVSS score5 MEDIUM
EPSS probability3.40%
CISA KEVNot currently listed
Published2009-07-20
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P
Description
rmserver in RealNetworks Helix Server and Helix Mobile Server before 13.0.0 allows remote attackers to cause a denial of service (daemon exit) via multiple RTSP SET_PARAMETER requests with empty DataConvertBuffer headers.
Weakness classification
- CWE-20: Improper Input Validation