CVE-2006-3946

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-07-31 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

macOS: 10.3.9, 10.4, 10.4.1, 10.4.2, 10.4.3, 10.4.4 (+3)
Apple Safari: 2.0.4

References

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

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