{"id":"CVE-2011-3443","aliases":["EUVD-2011-3406","GHSA-76h2-gg8c-qx4m","UBUNTU-CVE-2011-3443"],"status":"published","title":"Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.6, allows remote...","description":"Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) via vectors related to improper list management for Cascading Style Sheets (CSS) @font-face rules.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02021,"percentile":0.81093,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2012-03-02T00:00:00Z","modified":"2026-06-16T23:33:18Z","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":"safari"}],"references":[{"url":"http://support.apple.com/kb/HT4808","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.verisigninc.com/products-and-services/network-intelligence-availability/idefense/public-vulnerability-reports/articles/index.xhtml?id=962","tags":["third-party-advisory","x_refsource_IDEFENSE","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3443"},{"url":"https://github.com/advisories/GHSA-76h2-gg8c-qx4m"},{"url":"https://ubuntu.com/security/CVE-2011-3443","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-3443","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2011-3443","description":"Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) via vectors related to improper list management for Cascading Style Sheets (CSS) @font-face rules.","status":"published","published":"2012-03-02T00:00:00Z","modified":"2024-09-16T17:02:55.311Z","updated_at":"2026-11-02T14:35:36.968002Z"}],"euvd":[{"id":"EUVD-2011-3406","description":"Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) via vectors related to improper list management for Cascading Style Sheets (CSS) @font-face rules.","status":"published","published":"2012-03-02T00:00:00Z","modified":"2024-09-16T17:02:55Z","updated_at":"2026-11-03T00:55:45.787721Z"}],"ghsa":[{"id":"GHSA-76h2-gg8c-qx4m","title":"Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.6, allows remote...","description":"Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) via vectors related to improper list management for Cascading Style Sheets (CSS) @font-face rules.","status":"published","published":"2022-05-17T05:32:38Z","modified":"2023-01-28T05:03:59Z","updated_at":"2026-11-02T14:44:05.43712Z"}],"nvd":[{"id":"CVE-2011-3443","description":"Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) via vectors related to improper list management for Cascading Style Sheets (CSS) @font-face rules.","status":"published","published":"2012-03-02T00:55:02.097Z","modified":"2026-06-16T23:33:18.017Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:12.272092Z"}],"osv":[{"id":"UBUNTU-CVE-2011-3443","description":"Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) via vectors related to improper list management for Cascading Style Sheets (CSS) @font-face rules.","status":"published","published":"2012-03-02T00:55:00Z","modified":"2026-04-22T09:09:33.636361Z","updated_at":"2026-11-02T15:54:06.395274Z"}]}}