{"id":"CVE-2015-3622","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-3622","generatedAt":"2026-11-05T06:19:57.398Z","title":"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.","description":"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.","published":"2015-05-12T19:59:24.000Z","lastModified":"2026-06-17T00:26:00.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P"},"cwe":["CWE-119"],"affected":["opensuse/opensuse","fedoraproject/fedora","gnu/libtasn1"],"epss":{"score":0.32892,"percentile":0.98361,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 32.9%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158225.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-08/msg00014.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2016-06/msg00047.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2016-06/msg00097.html","source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/131711/libtasn1-Heap-Overflow.html","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://seclists.org/fulldisclosure/2015/Apr/109","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2015/dsa-3256","source":"cve@mitre.org"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:232","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/74419","source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1032246","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-2604-1","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2017:1860","source":"cve@mitre.org"},{"url":"https://lists.gnu.org/archive/html/help-libtasn1/2015-04/msg00000.html","source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201509-04","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158225.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-08/msg00014.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2016-06/msg00047.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2016-06/msg00097.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/131711/libtasn1-Heap-Overflow.html","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2015/Apr/109","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2015/dsa-3256","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:232","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/74419","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1032246","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2604-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2017:1860","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.gnu.org/archive/html/help-libtasn1/2015-04/msg00000.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201509-04","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-3622","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}