{"id":"USN-8713-1","summary":"biosig vulnerabilities","details":"Mark Bereza and Lilith Wyatt discovered that BioSig incorrectly handled certain crafted input\nfiles. An attacker could possibly use this issue to cause a denial of \nservice or execute arbitrary code. (CVE-2026-22891, CVE-2026-20777)","modified":"2026-09-03T01:26:34.755834611Z","published":"2026-09-02T14:04:35Z","related":["UBUNTU-CVE-2026-20777","UBUNTU-CVE-2026-22891"],"upstream":["CVE-2026-20777","CVE-2026-22891","UBUNTU-CVE-2026-20777","UBUNTU-CVE-2026-22891"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8713-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20777"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-22891"}],"affected":[{"package":{"name":"biosig","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/biosig?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.3-1ubuntu0.1~esm1"}]}],"versions":["2.1.2-4","2.1.2-4build1","2.1.2-4build2","2.3.3-1","2.3.3-1build1","2.3.3-1build2"],"ecosystem_specific":{"binaries":[{"binary_name":"biosig-tools","binary_version":"2.3.3-1ubuntu0.1~esm1"},{"binary_name":"libbiosig3","binary_version":"2.3.3-1ubuntu0.1~esm1"},{"binary_name":"octave-biosig","binary_version":"2.3.3-1ubuntu0.1~esm1"},{"binary_name":"python3-biosig","binary_version":"2.3.3-1ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8713-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:22.04:LTS","cves":[{"id":"CVE-2026-22891","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"biosig","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/biosig?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.0-1ubuntu1+esm1"}]}],"versions":["2.5.0-1build2","2.5.2-1","2.5.2-1build1","2.5.2-2","2.6.0-1","2.6.0-1build1","2.6.0-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.6.0-1ubuntu1+esm1","binary_name":"biosig-tools"},{"binary_version":"2.6.0-1ubuntu1+esm1","binary_name":"libbiosig3"},{"binary_version":"2.6.0-1ubuntu1+esm1","binary_name":"octave-biosig"},{"binary_version":"2.6.0-1ubuntu1+esm1","binary_name":"python3-biosig"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:24.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-20777"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-22891"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8713-1.json"}},{"package":{"name":"biosig","ecosystem":"Ubuntu:Pro:26.04:LTS","purl":"pkg:deb/ubuntu/biosig?arch=source&distro=esm-apps%2Fresolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.0-1ubuntu0.1~esm1"}]}],"versions":["3.9.0-1","3.9.0-1build1","3.9.0-1build2","3.9.0-1build3"],"ecosystem_specific":{"binaries":[{"binary_version":"3.9.0-1ubuntu0.1~esm1","binary_name":"biosig-tools"},{"binary_name":"libbiosig3","binary_version":"3.9.0-1ubuntu0.1~esm1"},{"binary_version":"3.9.0-1ubuntu0.1~esm1","binary_name":"octave-biosig"},{"binary_name":"python3-biosig","binary_version":"3.9.0-1ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:26.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-20777"},{"id":"CVE-2026-22891","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8713-1.json"}}],"schema_version":"1.9.0"}