Multiple buffer overflows in RealNetworks Helix Server and Helix Mobile Server 11.x before 11.1.8 and 12.x before 12.0.1 allow remote attackers to (1) cause a denial of service via three crafted RTSP SETUP commands, or execute arbitrary code via (2) an NTLM authentication request with malformed base64-encoded data, (3) an RTSP DESCRIBE command, or (4) a DataConvertBuffer request
Published Jan 20, 2009
10.0
HIGHCVSS 2.0
EPSS 6.19%
Description
Multiple buffer overflows in RealNetworks Helix Server and Helix Mobile Server 11.x before 11.1.8 and 12.x before 12.0.1 allow remote attackers to (1) cause a denial of service via three crafted RTSP SETUP commands, or execute arbitrary code via (2) an NTLM authentication request with malformed base64-encoded data, (3) an RTSP DESCRIBE command, or (4) a DataConvertBuffer request.
Affected products
No data.
- 11.0
- 12.0.0
- 11.0
- 12.0.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.19% (0.06185) | 93.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.19% (0.06185) | 92.56th | v5 (v2026.06.15) |
| Mar 30, 2025 | 16.43% (0.16434) | 94.32th | v4 (v2025.03.14) |
| Mar 29, 2025 | 14.31% (0.14309) | 90.70th | v4 (v2025.03.14) |
| Mar 17, 2025 | 16.43% (0.16434) | 94.37th | v4 (v2025.03.14) |
| Dec 17, 2024 | 52.72% (0.52724) | 97.71th | v3 (v2023.03.01) |
| May 19, 2024 | 54.22% (0.54216) | 97.62th | v3 (v2023.03.01) |
| Feb 3, 2024 | 61.53% (0.61527) | 97.54th | v3 (v2023.03.01) |
| Jul 21, 2023 | 68.14% (0.68145) | 97.50th | v3 (v2023.03.01) |
| Apr 25, 2023 | 69.99% (0.69993) | 97.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 73.01% (0.73006) | 97.49th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.14% (0.05139) | 89.65th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.14% (0.05139) | 88.62th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.14% (0.05139) | 75.16th | v2 (v2022.01.01) |
References (7)
- http://docs.real.com/docs/security/SecurityUpdate121508HS.pdf x_refsource_CONFIRMVendor Advisory
- http://secunia.com/advisories/33360 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.securitytracker.com/id?1021498 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id?1021499 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id?1021500 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id?1021501 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2008/3521 vdb-entryx_refsource_VUPEN
| Link | Providers | Tags |
|---|---|---|
| http://docs.real.com/docs/security/SecurityUpdate121508HS.pdf | x_refsource_CONFIRMVendor Advisory | |
| http://secunia.com/advisories/33360 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.securitytracker.com/id?1021498 | vdb-entryx_refsource_SECTRACK | |
| http://www.securitytracker.com/id?1021499 | vdb-entryx_refsource_SECTRACK | |
| http://www.securitytracker.com/id?1021500 | vdb-entryx_refsource_SECTRACK | |
| http://www.securitytracker.com/id?1021501 | vdb-entryx_refsource_SECTRACK | |
| http://www.vupen.com/english/advisories/2008/3521 | vdb-entryx_refsource_VUPEN |
Change history (0)
No recorded changes yet.