{"id":"UBUNTU-CVE-2017-7244","details":"The _pcre32_xclass function in pcre_xclass.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (invalid memory read) via a crafted file.","modified":"2025-09-08T16:44:10Z","published":"2017-03-23T21:59:00Z","upstream":["CVE-2017-7244"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-7244"},{"type":"REPORT","url":"https://blogs.gentoo.org/ago/2017/03/20/libpcre-invalid-memory-read-in-_pcre32_xclass-pcre_xclass-c/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-7244"}],"affected":[{"package":{"name":"pcre3","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/pcre3@2:8.38-3.1ubuntu0.1~esm2?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:8.38-3.1ubuntu0.1~esm2"}]}],"versions":["2:8.35-7.1ubuntu1","2:8.38-1ubuntu1","2:8.38-3","2:8.38-3.1","2:8.38-3.1ubuntu0.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"2:8.38-3.1ubuntu0.1~esm2","binary_name":"libpcre16-3"},{"binary_version":"2:8.38-3.1ubuntu0.1~esm2","binary_name":"libpcre3"},{"binary_version":"2:8.38-3.1ubuntu0.1~esm2","binary_name":"libpcre3-dev"},{"binary_version":"2:8.38-3.1ubuntu0.1~esm2","binary_name":"libpcre32-3"},{"binary_version":"2:8.38-3.1ubuntu0.1~esm2","binary_name":"libpcrecpp0v5"},{"binary_version":"2:8.38-3.1ubuntu0.1~esm2","binary_name":"pcregrep"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-7244.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}