{"id":"CVE-2013-7422","aliases":["DEBIAN-CVE-2013-7422","EUVD-2013-7186","GHSA-m7pj-qf68-j4wp","UBUNTU-CVE-2013-7422","USN-2916-1"],"status":"published","title":"Integer underflow in regcomp.c in Perl before 5.20, as used in Apple OS X before 10.10.5 and...","description":"Integer underflow in regcomp.c in Perl before 5.20, as used in Apple OS X before 10.10.5 and other products, allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a long digit string associated with an invalid backreference within a regular expression.","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":"2026-11-09","score":0.03045,"percentile":0.87627,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-189"],"published":"2015-08-16T00:00:00Z","modified":"2026-09-01T20:03:19Z","fixes":[{"ecosystem":"Debian:12","package":"perl","fixed_in":["5.20.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"perl","fixed_in":["5.20.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"perl","fixed_in":["5.20.0-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"perl","fixed_in":["5.18.2-2ubuntu1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.20.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.20.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.20.0-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.2-2ubuntu1.1"}]}],"versions":["5.14.2-21build1","5.18.1-4","5.18.1-4build1","5.18.1-5","5.18.2-2","5.18.2-2ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.2-2ubuntu1.1"}]}],"versions":["5.14.2-21build1","5.18.1-4","5.18.1-4build1","5.18.1-5","5.18.2-2","5.18.2-2ubuntu1"],"bundled":3}],"products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"perl","product":"perl"}],"references":[{"url":"http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Vendor Advisory","advisory"]},{"url":"http://perl5.git.perl.org/perl.git/commit/0c2990d652e985784f095bba4bc356481a66aa06","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://security.gentoo.org/glsa/201507-11","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"http://www.ubuntu.com/usn/USN-2916-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"https://support.apple.com/kb/HT205031","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.securityfocus.com/bid/75704","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-7422"},{"url":"https://github.com/advisories/GHSA-m7pj-qf68-j4wp"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-7422","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2013-7422","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-2916-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-7422","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2014-4330","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-2381","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2013-7422","description":"Integer underflow in regcomp.c in Perl before 5.20, as used in Apple OS X before 10.10.5 and other products, allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a long digit string associated with an invalid backreference within a regular expression.","status":"published","published":"2015-08-16T23:00:00Z","modified":"2024-08-06T18:09:16.951Z","updated_at":"2026-11-02T14:34:59.222149Z"}],"euvd":[{"id":"EUVD-2013-7186","description":"Integer underflow in regcomp.c in Perl before 5.20, as used in Apple OS X before 10.10.5 and other products, allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a long digit string associated with an invalid backreference within a regular expression.","status":"published","published":"2015-08-16T23:00:00Z","modified":"2024-08-06T18:09:16Z","updated_at":"2026-11-03T01:56:23.526026Z"}],"ghsa":[{"id":"GHSA-m7pj-qf68-j4wp","title":"Integer underflow in regcomp.c in Perl before 5.20, as used in Apple OS X before 10.10.5 and...","description":"Integer underflow in regcomp.c in Perl before 5.20, as used in Apple OS X before 10.10.5 and other products, allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a long digit string associated with an invalid backreference within a regular expression.","status":"published","published":"2022-05-17T03:21:00Z","modified":"2023-01-27T05:07:38Z","updated_at":"2026-11-02T14:43:09.795502Z"}],"nvd":[{"id":"CVE-2013-7422","description":"Integer underflow in regcomp.c in Perl before 5.20, as used in Apple OS X before 10.10.5 and other products, allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a long digit string associated with an invalid backreference within a regular expression.","status":"published","published":"2015-08-16T23:59:00.097Z","modified":"2026-06-17T00:01:55.823Z","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-189"],"updated_at":"2026-11-02T14:02:51.408338Z"}],"osv":[{"id":"CVE-2013-7422","description":"Integer underflow in regcomp.c in Perl before 5.20, as used in Apple OS X before 10.10.5 and other products, allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a long digit string associated with an invalid backreference within a regular expression.","status":"published","published":"2015-08-16T23:59:00Z","modified":"2026-04-10T03:43:28.328446Z","updated_at":"2026-11-02T15:43:59.361892Z"},{"id":"DEBIAN-CVE-2013-7422","description":"Integer underflow in regcomp.c in Perl before 5.20, as used in Apple OS X before 10.10.5 and other products, allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a long digit string associated with an invalid backreference within a regular expression.","status":"published","published":"2015-08-16T23:59:00.097Z","modified":"2026-09-01T20:03:19.376765618Z","updated_at":"2026-11-02T15:45:25.819707Z"},{"id":"UBUNTU-CVE-2013-7422","description":"Integer underflow in regcomp.c in Perl before 5.20, as used in Apple OS X before 10.10.5 and other products, allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a long digit string associated with an invalid backreference within a regular expression.","status":"published","published":"2015-08-16T00:00:00Z","modified":"2026-04-22T09:26:34.018335Z","updated_at":"2026-11-02T15:54:07.421078Z"},{"id":"USN-2916-1","title":"perl vulnerabilities","description":"It was discovered that Perl incorrectly handled certain regular expressions\nwith an invalid backreference. An attacker could use this issue to cause\nPerl to crash, resulting in a denial of service, or possibly execute\narbitrary code. (CVE-2013-7422)\n\nMarkus Vervier discovered that Perl incorrectly handled nesting in the\nData::Dumper module. An attacker could use this issue to cause Perl to\nconsume memory and crash, resulting in a denial of service. (CVE-2014-4330)\n\nStephane Chazelas discovered that Perl incorrectly handled duplicate\nenvironment variables. An attacker could possibly use this issue to bypass\nthe taint protection mechanism. (CVE-2016-2381)\n","status":"published","published":"2016-03-02T13:37:19Z","modified":"2026-04-22T09:21:33.388938Z","updated_at":"2026-11-02T16:58:10.303275Z"}]}}