{"id":"UBUNTU-CVE-2015-3622","details":"The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.5 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted certificate.","modified":"2026-04-22T10:08:22.783612Z","published":"2015-05-01T00:00:00Z","related":["USN-2604-1"],"upstream":["CVE-2015-3622"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-3622"},{"type":"REPORT","url":"https://blog.fuzzing-project.org/9-Heap-overflow-invalid-read-in-Libtasn1-TFPA-0052015.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2604-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-3622"}],"affected":[{"package":{"name":"libtasn1-6","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libtasn1-6@3.4-3ubuntu0.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4-3ubuntu0.3"}]}],"versions":["3.3-2","3.4-2","3.4-3","3.4-3ubuntu0.1","3.4-3ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_version":"3.4-3ubuntu0.3","binary_name":"libtasn1-3-bin"},{"binary_version":"3.4-3ubuntu0.3","binary_name":"libtasn1-6"},{"binary_version":"3.4-3ubuntu0.3","binary_name":"libtasn1-bin"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-3622.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"medium"}]}