{"id":"UBUNTU-CVE-2018-1000052","details":"fmtlib version prior to version 4.1.0 (before commit 0555cea5fc0bf890afe0071a558e44625a34ba85) contains a Memory corruption (SIGSEGV), CWE-134 vulnerability in fmt::print() library function that can result in Denial of Service. This attack appear to be exploitable via Specifying an invalid format specifier in the fmt::print() function results in a SIGSEGV (memory corruption, invalid write). This vulnerability appears to have been fixed in after commit 8cf30aa2be256eba07bb1cefb998c52326e846e7.","modified":"2025-10-24T04:47:20Z","published":"2018-02-09T23:29:00Z","upstream":["CVE-2018-1000052"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-1000052"},{"type":"REPORT","url":"https://github.com/fmtlib/fmt/issues/642"},{"type":"REPORT","url":"https://github.com/fmtlib/fmt/commit/8cf30aa2be256eba07bb1cefb998c52326e846e7"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-1000052"}],"affected":[{"package":{"name":"fmtlib","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/fmtlib@4.0.0+ds-2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.0.0+ds-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libfmt-dev","binary_version":"4.0.0+ds-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1000052.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}