Memory leak in Microsoft Silverlight 4 before 4.0.60310.0 allows remote attackers to…
Priority MEDIUM 48CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
Memory leak in Microsoft Silverlight 4 before 4.0.60310.0 allows remote attackers to cause a denial of service (memory consumption) via an application involving a popup control and a custom DependencyProperty property, related to lack of garbage collection.
Why it matters now
EPSS 0.12218 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:silverlight:*:*:*:*:*:*:*:* | up to 4.0.60129.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:silverlight:2.0.31005.00:*:*:*:*:*:*:* | 2.0.31005.00 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:silverlight:2.0.40115.00:*:*:*:*:*:*:* | 2.0.40115.00 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:silverlight:3.0.40624.00:*:*:*:*:*:*:* | 3.0.40624.00 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:silverlight:3.0.40723.0:*:*:*:*:*:*:* | 3.0.40723.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:silverlight:3.0.40818.0:*:*:*:*:*:*:* | 3.0.40818.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:silverlight:3.0.50106.0:*:*:*:*:*:*:* | 3.0.50106.0 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:silverlight:*:*:*:*:*:*:*:* Versions up to 4.0.60129.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:silverlight:2.0.31005.00:*:*:*:*:*:*:* Versions 2.0.31005.00 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:silverlight:2.0.40115.00:*:*:*:*:*:*:* Versions 2.0.40115.00 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:silverlight:3.0.40624.00:*:*:*:*:*:*:* Versions 3.0.40624.00 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:silverlight:3.0.40723.0:*:*:*:*:*:*:* Versions 3.0.40723.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:silverlight:3.0.40818.0:*:*:*:*:*:*:* Versions 3.0.40818.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:silverlight:3.0.50106.0:*:*:*:*:*:*:* Versions 3.0.50106.0 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2011-1844
- 2026-10-03 Alias added: GHSA-55h4-rfqw-7wvm
References
More Microsoft Silverlight vulnerabilities
- TI-2016-00028 Microsoft Silverlight 5 before 5.1.41212.0 mishandles negative offsets during decoding… KEVCVSS 3.1HIGH 8.8
- TI-2015-01495 The Windows DirectWrite library, as used in Microsoft .NET Framework 3.0 SP2, 3.5, 3.5.1… KEVCVSS 3.1HIGH 7.8
- TI-2013-00028 Microsoft Silverlight 5, and 5 Developer Runtime, before 5.1.20125.0 does not properly… KEVCVSS 3.1HIGH 7.8
- TI-2013-03402 Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during… KEVCVSS 3.1MEDIUM 5.5
- TI-2015-02157 Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows… CVSS 2.0HIGH 9.3
- TI-2015-02165 Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows… CVSS 2.0HIGH 9.3
Sources
- CVE-2011-1844 · CVE Program
- CVE-2011-1844 · NVD
- FIRST EPSS
- GHSA-55h4-rfqw-7wvm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences