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…
- 7.5HighCVSS base score
- 35.3%Exploitation in 30 daysEPSS · top 1.5% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
Published
- 18 years later
· 18 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 35.3% · top 1.5% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
References
14
- 1016434 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- MS06-046 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- VU#159220 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- ADV-2006-2634 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- ie-hhctrl-bo(27573) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20060808 TSRT-06-08: Microsoft Internet Help COM Object Memory Corruption Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- oval:org.mitre.oval:def:13 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 26835 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- ADV-2006-2635 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- TA06-220A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- http://www.tippingpoint.com/security/advisories/TSRT-06-08.html (opens in a new tab)x_refsource_MISCx_transferred
- 20906 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://browserfun.blogspot.com/2006/07/mobb-2-internethhctrl-image-property.html (opens in a new tab)x_refsource_MISCx_transferred
- 18769 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2006-3354 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2006-3357)Record last updated .