{"id":"CVE-2011-1344","aliases":["EUVD-2011-1351","GHSA-x46j-m9hq-6vwm","UBUNTU-CVE-2011-1344"],"status":"published","title":"Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2...","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.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.06128,"percentile":0.9349,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2011-03-10T20:00:00Z","modified":"2026-06-16T23:29:11Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"qtwebkit-source","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.2-0ubuntu10","2.3.2-0ubuntu11"]}],"products":[{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"safari"}],"references":[{"url":"http://secunia.com/advisories/44151","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/517517/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://twitter.com/aaronportnoy/statuses/45632544967901187","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/46822","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://support.apple.com/kb/HT4596","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://lists.apple.com/archives/security-announce/2011//Apr/msg00002.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred"]},{"url":"http://www.securitytracker.com/id?1025363","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://lists.apple.com/archives/security-announce/2011//Apr/msg00001.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-11-135","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2011/0984","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/517505/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://support.apple.com/kb/HT4607","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/66061","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.zdnet.com/blog/security/safarimacbook-first-to-fall-at-pwn2own-2011/8358","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://lists.apple.com/archives/security-announce/2011//Apr/msg00000.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred"]},{"url":"http://secunia.com/advisories/44154","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1344"},{"url":"https://github.com/advisories/GHSA-x46j-m9hq-6vwm"},{"url":"https://ubuntu.com/security/CVE-2011-1344","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-1344","tags":["report"]}],"sources":{"cve":[{"id":"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.","status":"published","published":"2011-03-10T20:00:00Z","modified":"2024-08-06T22:21:34.205Z","updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1351","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.","status":"published","published":"2011-03-10T20:00:00Z","modified":"2024-08-06T22:21:34Z","updated_at":"2026-11-03T01:55:57.223544Z"}],"ghsa":[{"id":"GHSA-x46j-m9hq-6vwm","title":"Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2...","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.","status":"published","published":"2022-05-14T02:56:09Z","modified":"2023-02-02T05:06:54Z","updated_at":"2026-11-02T14:52:23.774238Z"}],"nvd":[{"id":"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.","status":"published","published":"2011-03-10T20:55:01.28Z","modified":"2026-06-16T23:29:11.567Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:07.221228Z"}],"osv":[{"id":"UBUNTU-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.","status":"published","published":"2011-03-10T20:55:00Z","modified":"2026-04-22T09:04:13.343954Z","updated_at":"2026-11-02T15:54:06.395274Z"}]}}