{"id":"UBUNTU-CVE-2021-32611","details":"A NULL pointer dereference vulnerability exists in eXcall_api.c in Antisip eXosip2 through 5.2.0 when handling certain 3xx redirect responses.","modified":"2026-04-22T12:54:13.418622Z","published":"2021-05-12T16:15:00Z","upstream":["CVE-2021-32611"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-32611"},{"type":"REPORT","url":"http://git.savannah.nongnu.org/cgit/exosip.git/commit/?id=f2ed389fe84613512cc560127883e51e6cf8c054"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-32611"}],"affected":[{"package":{"name":"libexosip2","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libexosip2@4.1.0-2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libexosip2-11","binary_version":"4.1.0-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-32611.json"}},{"package":{"name":"libexosip2","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libexosip2@4.1.0-2.2~build1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.0-2.1ubuntu1","4.1.0-2.2~build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libexosip2-11","binary_version":"4.1.0-2.2~build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-32611.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"}]}