{"id":"UBUNTU-CVE-2017-8786","details":"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.","modified":"2026-04-22T11:34:45.390495Z","published":"2017-05-05T00:29:00Z","upstream":["CVE-2017-8786"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-8786"},{"type":"REPORT","url":"https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-8786"}],"affected":[{"package":{"name":"pcre2","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/pcre2@10.21-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["10.20-1","10.20-2","10.20-3","10.21-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libpcre2-16-0","binary_version":"10.21-1"},{"binary_name":"libpcre2-32-0","binary_version":"10.21-1"},{"binary_name":"libpcre2-8-0","binary_version":"10.21-1"},{"binary_name":"libpcre2-posix0","binary_version":"10.21-1"},{"binary_name":"pcre2-utils","binary_version":"10.21-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-8786.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"negligible"}]}