{"id":"CVE-2007-3944","aliases":["EUVD-2007-3928","GHSA-rqq2-rvvw-7vm3"],"status":"published","title":"Multiple heap-based buffer overflows in the Perl Compatible Regular Expressions (PCRE) library in...","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.","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.06533,"percentile":0.93836,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2007-07-23T16:00:00Z","modified":"2026-06-16T22:43:06Z","products":[{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"safari"},{"vendor":"apple","product":"webkit"}],"references":[{"url":"http://docs.info.apple.com/article.html?artnum=306173","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/bid/25002","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/35577","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2007/2730","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://www.securityevaluators.com/iphone/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securitytracker.com/id?1018439","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://docs.info.apple.com/article.html?artnum=306174","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://secunia.com/advisories/26287","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.nytimes.com/2007/07/23/technology/23iphone.html?_r=1\u0026adxnnl=1\u0026adxnnlx=1185163364-1OTsRJvbylLamj17FY2wnw\u0026oref=slogin","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2007/2731","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://www.securityevaluators.com/iphone/exploitingiphone.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-3944"},{"url":"http://www.securityevaluators.com/iphone"},{"url":"https://github.com/advisories/GHSA-rqq2-rvvw-7vm3"}],"sources":{"cve":[{"id":"CVE-2007-3944","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.","status":"published","published":"2007-07-23T16:00:00Z","modified":"2024-08-07T14:37:05.37Z","updated_at":"2026-11-02T13:32:45.563938Z"}],"euvd":[{"id":"EUVD-2007-3928","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.","status":"published","published":"2007-07-23T16:00:00Z","modified":"2024-08-07T14:37:05Z","updated_at":"2026-11-03T01:16:24.023061Z"}],"ghsa":[{"id":"GHSA-rqq2-rvvw-7vm3","title":"Multiple heap-based buffer overflows in the Perl Compatible Regular Expressions (PCRE) library in...","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.","status":"published","published":"2022-05-01T18:18:55Z","modified":"2025-04-09T03:45:27Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:00:54.343663Z"}],"nvd":[{"id":"CVE-2007-3944","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.","status":"published","published":"2007-07-23T16:30:00Z","modified":"2026-06-16T22:43:06.313Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:17.964611Z"}]}}