{"id":"UBUNTU-CVE-2021-43300","details":"Stack overflow in PJSUA API when calling pjsua_recorder_create. An attacker-controlled 'filename' argument may cause a buffer overflow since it is copied to a fixed-size stack buffer without any size validation.","modified":"2026-05-20T16:06:30.054520043Z","published":"2022-02-16T21:15:00Z","related":["USN-6422-1","USN-8122-1"],"upstream":["CVE-2021-43300"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-43300"},{"type":"REPORT","url":"https://github.com/pjsip/pjproject/security/advisories/GHSA-qcvw-h34v-c7r9"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6422-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-43300"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8122-1"}],"affected":[{"package":{"name":"pjproject","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/pjproject?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"}]}],"versions":["2.1.0.0.ast20130823-1","2.1.0.0.ast20130823-1+deb8u1build0.16.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libpj2","binary_version":"2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"},{"binary_name":"libpjlib-util2","binary_version":"2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"},{"binary_version":"2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1","binary_name":"libpjmedia-audiodev2"},{"binary_version":"2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1","binary_name":"libpjmedia-codec2"},{"binary_version":"2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1","binary_name":"libpjmedia-videodev2"},{"binary_name":"libpjmedia2","binary_version":"2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"},{"binary_version":"2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1","binary_name":"libpjnath2"},{"binary_version":"2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1","binary_name":"libpjsip-simple2"},{"binary_name":"libpjsip-ua2","binary_version":"2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"},{"binary_name":"libpjsip2","binary_version":"2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"},{"binary_name":"libpjsua2","binary_version":"2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1"}],"availability":"Available 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