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Vulnerability record · CVE-2006-3946 · published 31 July 2006

CVE-2006-3946: Apple safari memory buffer overflow vulnerability

Apple · Safari

WebCore in Apple Mac OS X 10.3.9 and 10.4 through 10.4.7 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via crafted HTML that triggers a "memory management error" in WebKit, possibly due to a buffer overflow, as originally reported for the KHTMLParser::popOneBlock function in Apple Safari 2.0.4 using Javascript that changes document.body.innerHTML within a DIV tag.

7.5 CVSS 2.0 High EPSS 5.3% · top 7.7% CWE-119 · Memory buffer overflow
7.5CVSS 2.0 base score
5.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
20References, 6 tagged exploit
16 Jun 2026Last modified by NVD

Description

WebCore in Apple Mac OS X 10.3.9 and 10.4 through 10.4.7 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via crafted HTML that triggers a "memory management error" in WebKit, possibly due to a buffer overflow, as originally reported for the KHTMLParser::popOneBlock function in Apple Safari 2.0.4 using Javascript that changes document.body.innerHTML within a DIV tag.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://browserfun.blogspot.com/2006/07/mobb-31-safari-khtmlparserpoponeblock.html Exploit
http://lists.apple.com/archives/security-announce/2006/Sep/msg00002.html
http://secunia.com/advisories/21271 ExploitVendor Advisory
http://secunia.com/advisories/22187 Vendor Advisory
http://securitytracker.com/id?1016957
http://www.osvdb.org/27534
http://www.securityfocus.com/bid/19250 Exploit
http://www.vupen.com/english/advisories/2006/3069 Vendor Advisory
http://www.vupen.com/english/advisories/2006/3852 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/28081
http://browserfun.blogspot.com/2006/07/mobb-31-safari-khtmlparserpoponeblock.html Exploit
http://lists.apple.com/archives/security-announce/2006/Sep/msg00002.html
http://secunia.com/advisories/21271 ExploitVendor Advisory
http://secunia.com/advisories/22187 Vendor Advisory
http://securitytracker.com/id?1016957
http://www.osvdb.org/27534
http://www.securityfocus.com/bid/19250 Exploit
http://www.vupen.com/english/advisories/2006/3069 Vendor Advisory
http://www.vupen.com/english/advisories/2006/3852 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/28081

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2006-3946), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.