{"id":"CVE-2017-8786","aliases":["DEBIAN-CVE-2017-8786","EUVD-2017-17729","GHSA-5w9f-5949-m2r9","UBUNTU-CVE-2017-8786","openSUSE-SU-2024:11154-1"],"status":"published","title":"pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based...","description":"pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.04066,"percentile":0.90732,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2017-05-05T00:00:00Z","modified":"2026-11-03T21:17:01Z","fixes":[{"ecosystem":"Debian:12","package":"pcre2","fixed_in":["10.31-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pcre2","fixed_in":["10.31-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pcre2","fixed_in":["10.31-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"pcre2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.31-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pcre2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.31-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"pcre2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.31-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"pcre2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["10.20-1","10.20-2","10.20-3","10.21-1","10.21-1ubuntu0.1~esm1"]}],"products":[{"vendor":"pcre","product":"pcre2"}],"references":[{"url":"https://security.gentoo.org/glsa/201710-09","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"https://vcs.pcre.org/pcre2?view=revision\u0026revision=697","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix"]},{"url":"https://vcs.pcre.org/pcre2?view=revision\u0026revision=696","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix"]},{"url":"https://bugs.exim.org/show_bug.cgi?id=2079","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","VDB Entry","report"]},{"url":"https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","VDB Entry","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-8786"},{"url":"https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c"},{"url":"https://github.com/advisories/GHSA-5w9f-5949-m2r9"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-8786","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-8786","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-8786","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2017-7186","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-8786","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2017-8786","description":"pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.","status":"published","published":"2017-05-05T00:00:00Z","modified":"2024-08-05T16:48:22.018Z","updated_at":"2026-11-02T14:33:14.89365Z"}],"euvd":[{"id":"EUVD-2017-17729","description":"pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.","status":"published","published":"2017-05-05T00:00:00Z","modified":"2024-08-05T16:48:22Z","updated_at":"2026-11-03T02:23:29.67797Z"}],"ghsa":[{"id":"GHSA-5w9f-5949-m2r9","title":"pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based...","description":"pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.","status":"published","published":"2022-05-17T00:34:23Z","modified":"2025-04-20T03:37:14Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:01:45.195531Z"}],"nvd":[{"id":"CVE-2017-8786","description":"pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.","status":"published","published":"2017-05-05T00:29:00.213Z","modified":"2026-06-17T01:26:57.547Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"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-119"],"updated_at":"2026-11-02T14:03:47.848196Z"}],"osv":[{"id":"CVE-2017-8786","description":"pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.","status":"published","published":"2017-05-05T00:29:00.213Z","modified":"2026-10-24T10:30:56.400816014Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:06.868403Z"},{"id":"DEBIAN-CVE-2017-8786","description":"pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.","status":"published","published":"2017-05-05T00:29:00.213Z","modified":"2026-09-01T20:03:51.023121486Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:29.698576Z"},{"id":"UBUNTU-CVE-2017-8786","description":"pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.","status":"published","published":"2017-05-05T00:29:00Z","modified":"2026-11-03T21:17:01.45821751Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T21:44:03.981358Z"},{"id":"openSUSE-SU-2024:11154-1","title":"libpcre2-16-0-10.37-1.2 on GA media","description":"These are all security issues fixed in the libpcre2-16-0-10.37-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:29:58.927417Z","updated_at":"2026-11-02T16:58:34.894275Z"}]}}