{"id":"UBUNTU-CVE-2018-21232","details":"re2c before 2.0 has uncontrolled recursion that causes stack consumption in find_fixed_tags.","modified":"2026-05-20T16:06:12.070157515Z","published":"2020-04-29T14:15:00Z","upstream":["CVE-2018-21232"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-21232"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2020/04/27/2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-21232"}],"affected":[{"package":{"name":"re2c","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/re2c?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.1-1","binary_name":"re2c"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-21232.json"}},{"package":{"name":"re2c","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/re2c?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.1-1","1.3-1","1.3-1build1","1.3-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.3-1ubuntu0.1","binary_name":"re2c"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-21232.json"}},{"package":{"name":"re2c","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/re2c?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.3-1build1","2.2-1","3.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.0-1","binary_name":"re2c"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-21232.json"}},{"package":{"name":"re2c","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/re2c?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1-1","3.1-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.1-1build1","binary_name":"re2c"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-21232.json"}},{"package":{"name":"re2c","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/re2c?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1-1","4.3-2"],"ecosystem_specific":{"binaries":[{"binary_version":"4.3-2","binary_name":"re2c"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-21232.json"}},{"package":{"name":"re2c","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/re2c?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3-2","4.3.1-1","4.4-1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.4-1","binary_name":"re2c"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-21232.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}