CVE-2006-3357
CVE-2006-3357 is a high-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 35% places it in the 98th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 35% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Internet Explorer
- Published:
- Last modified:
Description
Heap-based buffer overflow in HTML Help ActiveX control (hhctrl.ocx) in Microsoft Internet Explorer 6.0 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code by repeatedly setting the Image field of an Internet.HHCtrl.1 object to certain values, possibly related to improper escaping and long strings.
Frequently asked questions
- What is CVE-2006-3357?
- Heap-based buffer overflow in HTML Help ActiveX control (hhctrl.ocx) in Microsoft Internet Explorer 6.0 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code by repeatedly setting the Image field of an Internet.HHCtrl.1 object to certain values, possibly related to improper escaping and long strings.
- How severe is CVE-2006-3357?
- CVE-2006-3357 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2006-3357 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 35% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2006-3357?
- CVE-2006-3357 affects Microsoft Internet Explorer. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2006-3357?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2006-3357 published?
- CVE-2006-3357 was published on 2006-07-06 and last updated on 2026-06-16.
References
- http://browserfun.blogspot.com/2006/07/mobb-2-internethhctrl-image-property.html
- http://secunia.com/advisories/20906
- http://securitytracker.com/id?1016434
- http://www.kb.cert.org/vuls/id/159220
- http://www.osvdb.org/26835
- http://www.securityfocus.com/archive/1/442733/100/0/threaded
- http://www.securityfocus.com/bid/18769
- http://www.tippingpoint.com/security/advisories/TSRT-06-08.html
- http://www.us-cert.gov/cas/techalerts/TA06-220A.html
- http://www.vupen.com/english/advisories/2006/2634
- http://www.vupen.com/english/advisories/2006/2635
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-046
- https://exchange.xforce.ibmcloud.com/vulnerabilities/27573
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13
Affected products (1)
- cpe:2.3:a:microsoft:internet_explorer:6.0:*:*:*:*:*:*:*
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