CVE-2009-2533 json
rmserver in RealNetworks Helix Server and Helix Mobile Server before 13.0.0 allows remote attackers to cause a denial of service (daemon ex…
published 2009-07-20 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2528
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.4%
- EPSS 3.4% chance of exploitation in 30 days, percentile 88%
- public exploits
- 1
- Exploit-DB
Summary
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.
Timeline
- First public exploit (EDB-9198)
- Published
Exploit prediction
3.40% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-9198 Real Helix DNA - 'RTSP' / 'SETUP' Request Handler dos, 2009-07-17
- coresecurity.com http://www.coresecurity.com/content/real-helix-dna referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
exploit-db.com
/exploits/9198
exploit
-
coresecurity.com
/content/real-helix-dna
exploit
-
securityfocus.com
/archive/1/505083/100/0/threaded
mailing-list
-
osvdb.org
/55981
vdb-entry
-
securityfocus.com
/bid/35731
vdb-entry
-
vupen.com
/english/advisories/2009/1947
vdb-entry
- docs.real.com /docs/security/SecurityUpdate071409HS.pdf
Sources
- CVE List CVE-2009-2533
- NVD CVE-2009-2533
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