Heap-based buffer overflow in the NTLM authentication functionality in RealNetworks Helix Server and Helix Mobile Server 11.x, 12.x, and 13.x allows remote attackers to have an unspecified impact via invalid base64-encoded data
Published Apr 20, 2010
7.5
HIGHCVSS 2.0
EPSS 1.62%
Description
Heap-based buffer overflow in the NTLM authentication functionality in RealNetworks Helix Server and Helix Mobile Server 11.x, 12.x, and 13.x allows remote attackers to have an unspecified impact via invalid base64-encoded data.
Affected products
No data.
- 11.0
- 11.1
- 11.1.2
- 11.1.3
- 12.0
- 13.0
- 11.0
- 11.1
- 12.0.0
- 13.0.0
- 11.0
- 12.0.0
- 13.0.0
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:P/I:P/A:P
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 2, 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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.62% (0.01617) | 75.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.62% (0.01617) | 72.81th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.75% (0.00747) | 71.35th | v4 (v2025.03.14) |
| Dec 12, 2024 | 97.11% (0.97109) | 99.83th | v3 (v2023.03.01) |
| Sep 17, 2024 | 97.11% (0.97109) | 99.83th | v3 (v2023.03.01) |
| Jul 7, 2024 | 82.90% (0.82904) | 98.46th | v3 (v2023.03.01) |
| May 24, 2024 | 65.86% (0.65863) | 97.91th | v3 (v2023.03.01) |
| May 10, 2024 | 62.53% (0.62528) | 97.81th | v3 (v2023.03.01) |
| Apr 25, 2024 | 59.14% (0.59144) | 97.71th | v3 (v2023.03.01) |
| Mar 15, 2024 | 51.66% (0.51663) | 97.49th | v3 (v2023.03.01) |
| Feb 8, 2024 | 51.90% (0.51900) | 97.46th | v3 (v2023.03.01) |
| Mar 7, 2023 | 97.11% (0.97109) | 99.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (4)
- http://secunia.com/advisories/39279 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.realnetworks.com/uploadedFiles/Support/helix-support/SecurityUpdate041410HS.pdf x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/39490 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2010/0889 vdb-entryx_refsource_VUPENVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/39279 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.realnetworks.com/uploadedFiles/Support/helix-support/SecurityUpdate041410HS.pdf | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/39490 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2010/0889 | vdb-entryx_refsource_VUPENVendor Advisory |
Change history (0)
No recorded changes yet.