{"id":"CVE-2015-0286","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-0286","generatedAt":"2026-11-05T06:22:46.074Z","title":"The ASN1_TYPE_cmp function in crypto/asn1/a_type.c in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a does not properly perform boolean-type comparisons, which allows remote attackers to cause a denial of…","description":"The ASN1_TYPE_cmp function in crypto/asn1/a_type.c in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a does not properly perform boolean-type comparisons, which allows remote attackers to cause a denial of service (invalid read operation and application crash) via a crafted X.509 certificate to an endpoint that uses the certificate-verification feature.","published":"2015-03-19T22:59:05.000Z","lastModified":"2026-06-17T00:19:55.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":["CWE-17"],"affected":["openssl/openssl"],"epss":{"score":0.1988,"percentile":0.97431,"date":"2026-11-04","history":[{"date":"2026-11-01","score":0.1988,"percentile":0.97423}]},"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 19.9%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10680","source":"secalert@redhat.com"},{"url":"http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html","source":"secalert@redhat.com"},{"url":"http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html","source":"secalert@redhat.com"},{"url":"http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152733.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152734.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152844.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/156823.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157177.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00022.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00027.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00037.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-03/msg00062.html","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=142841429220765&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=143213830203296&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=143748090628601&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=144050155601375&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=144050254401665&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=144050297101809&w=2","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0715.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0716.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0752.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2957.html","source":"secalert@redhat.com"},{"url":"http://support.apple.com/kb/HT204942","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2015/dsa-3197","source":"secalert@redhat.com"},{"url":"http://www.fortiguard.com/advisory/2015-03-24-openssl-vulnerabilities-march-2015","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:062","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:063","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/73225","source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id/1031929","source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id/1032917","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-2537-1","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/articles/1384453","source":"secalert@redhat.com"},{"url":"https://bto.bluecoat.com/security-advisory/sa92","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1202366","source":"secalert@redhat.com"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf","source":"secalert@redhat.com"},{"url":"https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=c3c7fb07dc975dc3c9de0eddb7d8fd79fc9c67c1","source":"secalert@redhat.com"},{"url":"https://kc.mcafee.com/corporate/index?page=content&id=SB10110","source":"secalert@redhat.com"},{"url":"https://support.apple.com/HT205212","source":"secalert@redhat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Advisory"],"source":"secalert@redhat.com"},{"url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10680","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152733.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152734.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152844.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/156823.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-0286","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."}