Multiple integer overflows in the Microsoft (1) JScript 5.6 through 5.8 and (2) VBScript 5.6 through 5.8 scripting engines allow remote attackers to execute arbitrary code via a crafted web page, aka "Scripting Memory Reallocation Vulnerability."
Published Apr 13, 2011
8.8
HIGHCVSS 3.1
EPSS 26.22%
Description
Multiple integer overflows in the Microsoft (1) JScript 5.6 through 5.8 and (2) VBScript 5.6 through 5.8 scripting engines allow remote attackers to execute arbitrary code via a crafted web page, aka "Scripting Memory Reallocation Vulnerability."
Affected products
No data.
Configuration 1
Running on/with
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Configuration 2
Running on/with
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Configuration 3
Running on/with
- n/a
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- r2
- r2
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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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Jan 21, 2025 · SSVC 2.0.3
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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 26.22% (0.26221) | 97.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 26.22% (0.26221) | 97.73th | v5 (v2026.06.15) |
| Dec 28, 2025 | 27.86% (0.27859) | 96.29th | v4 (v2025.03.14) |
| Dec 27, 2025 | 24.73% (0.24727) | 95.97th | v4 (v2025.03.14) |
| Oct 28, 2025 | 27.86% (0.27859) | 96.22th | v4 (v2025.03.14) |
| Oct 27, 2025 | 24.73% (0.24727) | 95.90th | v4 (v2025.03.14) |
| Oct 13, 2025 | 27.86% (0.27859) | 96.20th | v4 (v2025.03.14) |
| Oct 1, 2025 | 25.49% (0.25491) | 96.06th | v4 (v2025.03.14) |
| Mar 30, 2025 | 22.52% (0.22523) | 95.36th | v4 (v2025.03.14) |
| Mar 29, 2025 | 39.22% (0.39223) | 95.90th | v4 (v2025.03.14) |
| Mar 17, 2025 | 22.52% (0.22523) | 95.39th | v4 (v2025.03.14) |
| Dec 17, 2024 | 93.66% (0.93664) | 99.33th | v3 (v2023.03.01) |
| Dec 4, 2024 | 81.05% (0.81052) | 98.46th | v3 (v2023.03.01) |
| Jul 27, 2024 | 82.90% (0.82903) | 98.48th | v3 (v2023.03.01) |
| Oct 12, 2023 | 80.78% (0.80781) | 97.94th | v3 (v2023.03.01) |
| Aug 20, 2023 | 76.39% (0.76393) | 97.77th | v3 (v2023.03.01) |
| May 2, 2023 | 53.98% (0.53978) | 97.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 42.93% (0.42927) | 96.72th | v3 (v2023.03.01) |
| Mar 6, 2023 | 54.74% (0.54738) | 98.80th | v2 (v2022.01.01) |
| Feb 4, 2022 | 54.74% (0.54738) | 98.45th | v2 (v2022.01.01) |
References (8)
- http://osvdb.org/71774 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/44162 third-party-advisoryx_refsource_SECUNIA
- http://www.securityfocus.com/bid/47249 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1025333 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA11-102A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2011/0949 vdb-entryx_refsource_VUPEN
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-031 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12673 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/71774 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/44162 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.securityfocus.com/bid/47249 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1025333 | vdb-entryx_refsource_SECTRACK | |
| http://www.us-cert.gov/cas/techalerts/TA11-102A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| http://www.vupen.com/english/advisories/2011/0949 | vdb-entryx_refsource_VUPEN | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-031 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12673 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.