CVE-2009-2533 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 3.4% (pctl 88)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 3.4% — more likely to be exploited than 88% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-07-20 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| realnetworks | helix server |
| realnetworks | helix server mobile |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Real Helix DNA - 'RTSP' / 'SETUP' Request Handler | 2009-07-17 |
References
- http://docs.real.com/docs/security/SecurityUpdate071409HS.pdf
- http://osvdb.org/55981
- http://www.coresecurity.com/content/real-helix-dna
- http://www.exploit-db.com/exploits/9198
- http://www.securityfocus.com/archive/1/505083/100/0/threaded
- http://www.securityfocus.com/bid/35731
- http://www.vupen.com/english/advisories/2009/1947
- http://docs.real.com/docs/security/SecurityUpdate071409HS.pdf
- http://osvdb.org/55981
- http://www.coresecurity.com/content/real-helix-dna
- http://www.exploit-db.com/exploits/9198
- http://www.securityfocus.com/archive/1/505083/100/0/threaded
- http://www.securityfocus.com/bid/35731
- http://www.vupen.com/english/advisories/2009/1947
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