CVE-2007-3944

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-07-23 · updated 2026-06-16
Weakness: CWE-119

Description

Multiple heap-based buffer overflows in the Perl Compatible Regular Expressions (PCRE) library in the JavaScript engine in WebKit in Apple Safari 3 Beta before Update 3.0.3, and iPhone before 1.0.1, allow remote attackers to execute arbitrary code via certain JavaScript regular expressions. NOTE: this issue was originally reported only for MobileSafari on the iPhone. NOTE: it is not clear whether this stems from an issue in the original distribution of PCRE, which might already have a separate CVE identifier.

Affected products

Apple Iphone Os: through 1.0.0
Apple Safari: 3.0
Apple Webkit: all versions

References

http://docs.info.apple.com/article.html?artnum=306173
http://docs.info.apple.com/article.html?artnum=306174
http://secunia.com/advisories/26287
http://www.nytimes.com/2007/07/23/technology/23iphone.html?_r=1&adxnnl=1&adxnnlx=1185163364-1OTsRJvbylLamj17FY2wnw&oref=slogin
http://www.securityevaluators.com/iphone/
http://www.securityevaluators.com/iphone/exploitingiphone.pdf
http://www.securityfocus.com/bid/25002
http://www.securitytracker.com/id?1018439
http://www.vupen.com/english/advisories/2007/2730
http://www.vupen.com/english/advisories/2007/2731
https://exchange.xforce.ibmcloud.com/vulnerabilities/35577
http://docs.info.apple.com/article.html?artnum=306173

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