Unrated severityNVD Advisory· Published Mar 10, 2011· Updated Jun 16, 2026
CVE-2011-1344
CVE-2011-1344
Description
Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2 for iPhone, iPod, and iPad; iOS before 4.2.7 for iPhone 4 (CDMA); and possibly other products allows remote attackers to execute arbitrary code by adding children to a WBR tag and then removing the tag, related to text nodes, as demonstrated by Chaouki Bekrar during a Pwn2Own competition at CanSecWest 2011.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
109cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*+ 72 more
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*range: <=5.0.4
- cpe:2.3:a:apple:safari:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.0.0b1:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.0.0b2:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.0.3:85.8:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.0.3:85.8.1:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.0:beta:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.1:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.2:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.3:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.3.2:312.5:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:1.3.2:312.6:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:2:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:2.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:2.0.3:417.8:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:2.0.3:417.9:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:2.0.3:417.9.2:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:2.0.3:417.9.3:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:2.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.0:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.0.0b:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.0.1b:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.0.2b:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.0.3b:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.0.4b:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.1.0b:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:3.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:4.0.0b:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:4.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:4.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:4.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:4.0:beta:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:4.1:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:5.0:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:5.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:apple:safari:5.0.2:*:*:*:*:*:*:*
- (no CPE)range: <5.0.5
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*+ 34 more
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*range: <=4.3.1
- cpe:2.3:o:apple:iphone_os:1.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.1.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.1.3:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.1.4:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:1.1.5:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.1.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.1.3:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:3.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.2:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.2.5:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.2.8:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:4.3.0:*:*:*:*:*:*:*
- Range: <4.3.2
Patches
Vulnerability mechanics
References
18- dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011nvd
- lists.apple.com/archives/security-announce/2011//Apr/msg00000.htmlnvd
- lists.apple.com/archives/security-announce/2011//Apr/msg00001.htmlnvd
- lists.apple.com/archives/security-announce/2011//Apr/msg00002.htmlnvd
- secunia.com/advisories/44151nvd
- secunia.com/advisories/44154nvd
- support.apple.com/kb/HT4596nvd
- support.apple.com/kb/HT4607nvd
- twitter.com/aaronportnoy/statuses/45632544967901187nvd
- www.computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Ownnvd
- www.securityfocus.com/archive/1/517505/100/0/threadednvd
- www.securityfocus.com/archive/1/517517/100/0/threadednvd
- www.securityfocus.com/bid/46822nvd
- www.securitytracker.com/idnvd
- www.vupen.com/english/advisories/2011/0984nvd
- www.zdnet.com/blog/security/safarimacbook-first-to-fall-at-pwn2own-2011/8358nvd
- www.zerodayinitiative.com/advisories/ZDI-11-135nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/66061nvd
News mentions
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