{"id":"UBUNTU-CVE-2021-33928","details":"Buffer overflow vulnerability in function pool_installable in src/repo.h in libsolv before 0.7.17 allows attackers to cause a Denial of Service.","modified":"2026-04-22T14:43:27.006852Z","published":"2021-09-02T15:15:00Z","upstream":["CVE-2021-33928"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-33928"},{"type":"REPORT","url":"https://github.com/openSUSE/libsolv/issues/417"},{"type":"REPORT","url":"https://github.com/openSUSE/libsolv/commit/0077ef29eb46d2e1df2f230fc95a1d9748d49dec"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-33928"}],"affected":[{"package":{"name":"libsolv","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libsolv@0.6.11-1.1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.11-1","0.6.11-1build1","0.6.11-1.1","0.6.11-1.1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libsolv-perl","binary_version":"0.6.11-1.1ubuntu0.1~esm1"},{"binary_name":"libsolv-tools","binary_version":"0.6.11-1.1ubuntu0.1~esm1"},{"binary_name":"libsolv0","binary_version":"0.6.11-1.1ubuntu0.1~esm1"},{"binary_name":"libsolvext0","binary_version":"0.6.11-1.1ubuntu0.1~esm1"},{"binary_name":"python-solv","binary_version":"0.6.11-1.1ubuntu0.1~esm1"},{"binary_name":"python3-solv","binary_version":"0.6.11-1.1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33928.json"}},{"package":{"name":"libsolv","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libsolv@0.6.30-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.28-2build1","0.6.30-1build1","0.6.30-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libsolv-perl","binary_version":"0.6.30-1ubuntu0.1~esm1"},{"binary_version":"0.6.30-1ubuntu0.1~esm1","binary_name":"libsolv-tools"},{"binary_name":"libsolv0","binary_version":"0.6.30-1ubuntu0.1~esm1"},{"binary_name":"libsolvext0","binary_version":"0.6.30-1ubuntu0.1~esm1"},{"binary_name":"python-solv","binary_version":"0.6.30-1ubuntu0.1~esm1"},{"binary_name":"python3-solv","binary_version":"0.6.30-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33928.json"}},{"package":{"name":"libsolv","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libsolv@0.6.36-2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.35-2ubuntu1","0.6.35-2ubuntu2","0.6.36-1","0.6.36-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libsolv-perl","binary_version":"0.6.36-2"},{"binary_name":"libsolv-tools","binary_version":"0.6.36-2"},{"binary_name":"libsolv0","binary_version":"0.6.36-2"},{"binary_name":"libsolvext0","binary_version":"0.6.36-2"},{"binary_version":"0.6.36-2","binary_name":"python3-solv"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33928.json"}}],"schema_version":"1.7.5","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"}]}