{"id":"UBUNTU-CVE-2020-24826","details":"A vulnerability in the elf::section::as_strtab function of Libelfin v0.3 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted ELF file.","modified":"2026-01-20T17:42:36.746381Z","published":"2021-08-04T15:15:00Z","upstream":["CVE-2020-24826"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-24826"},{"type":"REPORT","url":"https://github.com/aclements/libelfin/issues/49"},{"type":"REPORT","url":"https://github.com/xiaoxiongwang/function_bugs/tree/master/libelfin#segv-in-function-elfsectionas_strtab-at-elfelfcc284"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-24826"}],"affected":[{"package":{"name":"libelfin","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libelfin@0.3-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.3-1","binary_name":"libdwarf++0"},{"binary_version":"0.3-1","binary_name":"libelf++0"},{"binary_version":"0.3-1","binary_name":"libelfin-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-24826.json"}},{"package":{"name":"libelfin","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libelfin@0.3-1ubuntu2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3-1","0.3-1ubuntu1","0.3-1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.3-1ubuntu2","binary_name":"libdwarf++0"},{"binary_version":"0.3-1ubuntu2","binary_name":"libelf++0"},{"binary_version":"0.3-1ubuntu2","binary_name":"libelfin-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-24826.json"}},{"package":{"name":"libelfin","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libelfin@0.3-2.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3-2.1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.3-2.1","binary_name":"libdwarf++0"},{"binary_version":"0.3-2.1","binary_name":"libelf++0"},{"binary_version":"0.3-2.1","binary_name":"libelfin-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-24826.json"}},{"package":{"name":"libelfin","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libelfin@0.3-3.1ubuntu1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3-3","0.3-3.1","0.3-3.1build1","0.3-3.1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.3-3.1ubuntu1","binary_name":"libdwarf++0t64"},{"binary_version":"0.3-3.1ubuntu1","binary_name":"libelf++0t64"},{"binary_version":"0.3-3.1ubuntu1","binary_name":"libelfin-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-24826.json"}}],"schema_version":"1.7.3","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"}]}