{"id":"UBUNTU-CVE-2021-45429","details":"A Buffer Overflow vulnerablity exists in VirusTotal YARA git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 via yr_set_configuration in yara/libyara/libyara.c, which could cause a Denial of Service.","modified":"2026-04-22T15:01:54.760661Z","published":"2022-02-04T19:15:00Z","related":["USN-7177-1","USN-8080-1"],"upstream":["CVE-2021-45429"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-45429"},{"type":"REPORT","url":"https://github.com/VirusTotal/yara/issues/1616"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-45429"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7177-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8080-1"}],"affected":[{"package":{"name":"yara","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/yara@3.7.1-1ubuntu2+esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.1-1ubuntu2+esm1"}]}],"versions":["3.6.3+dfsg-1ubuntu1","3.7.1-1ubuntu1","3.7.1-1ubuntu2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"3.7.1-1ubuntu2+esm1","binary_name":"libyara3"},{"binary_name":"yara","binary_version":"3.7.1-1ubuntu2+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-45429.json"}},{"package":{"name":"yara","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/yara@3.9.0-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.0-1ubuntu0.1~esm1"}]}],"versions":["3.9.0-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libyara3","binary_version":"3.9.0-1ubuntu0.1~esm1"},{"binary_name":"yara","binary_version":"3.9.0-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-45429.json"}},{"package":{"name":"yara","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/yara@4.1.3-1ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.3-1ubuntu0.1~esm1"}]}],"versions":["4.1.0-1","4.1.3-1","4.1.3-1build1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libyara8","binary_version":"4.1.3-1ubuntu0.1~esm1"},{"binary_version":"4.1.3-1ubuntu0.1~esm1","binary_name":"yara"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-45429.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":"medium"}]}