{"id":"CVE-2018-0739","details":"Constructed ASN.1 types with a recursive definition (such as can be found in PKCS7) could eventually exceed the stack given malicious input with excessive recursion. This could result in a Denial Of Service attack. There are no such structures used within SSL/TLS that come from untrusted sources so this is considered safe. Fixed in OpenSSL 1.1.0h (Affected 1.1.0-1.1.0g). Fixed in OpenSSL 1.0.2o (Affected 1.0.2b-1.0.2n).","modified":"2026-04-02T00:23:33.879362Z","published":"2018-03-27T21:29:00.673Z","related":["MGASA-2018-0190","MGASA-2018-0257","MGASA-2018-0339","SUSE-FU-2022:0445-1","SUSE-SU-2018:0902-1","SUSE-SU-2018:0905-1","SUSE-SU-2018:0906-1","SUSE-SU-2018:0925-1","SUSE-SU-2018:0975-1","SUSE-SU-2018:2072-1","SUSE-SU-2018:2158-1","SUSE-SU-2018:2534-1","SUSE-SU-2018:2683-1","SUSE-SU-2020:0495-1","openSUSE-SU-2024:11003-1","openSUSE-SU-2024:11126-1","openSUSE-SU-2024:11127-1","openSUSE-SU-2024:11134-1","openSUSE-SU-2024:11501-1"],"references":[{"type":"WEB","url":"https://www.tenable.com/security/tns-2018-07"},{"type":"WEB","url":"https://www.tenable.com/security/tns-2018-04"},{"type":"WEB","url":"http://www.securityfocus.com/bid/105609"},{"type":"WEB","url":"https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=9310d45087ae546e27e61ddf8f6367f29848220d"},{"type":"WEB","url":"https://www.tenable.com/security/tns-2018-06"},{"type":"WEB","url":"https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=2ac4c6f7b2b2af20c0e2b0ba05367e454cd11b33"},{"type":"WEB","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0366"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201811-21"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202007-53"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4157"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0367"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20180330-0002/"},{"type":"ADVISORY","url":"https://securityadvisories.paloaltonetworks.com/Home/Detail/133"},{"type":"ADVISORY","url":"https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3611-1/"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1040576"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3505"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/03/msg00033.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/103518"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3221"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1711"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1712"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3090"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20180726-0002/"},{"type":"ADVISORY","url":"https://www.openssl.org/news/secadv/20180327.txt"},{"type":"ADVISORY","url":"https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html"},{"type":"ADVISORY","url":"https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3611-2/"},{"type":"ADVISORY","url":"http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html"},{"type":"ADVISORY","url":"http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4158"},{"type":"FIX","url":"http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html"},{"type":"ARTICLE","url":"https://nodejs.org/en/blog/vulnerability/march-2018-security-releases/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openssl/openssl","events":[{"introduced":"e818b74be2170fbe957a07b0da4401c2b694b3b8"},{"last_affected":"e818b74be2170fbe957a07b0da4401c2b694b3b8"},{"introduced":"7ea5bd2b52d0e81eaef3d109b3b12545306f201c"},{"last_affected":"7ea5bd2b52d0e81eaef3d109b3b12545306f201c"}],"database_specific":{"versions":[{"introduced":"1.0.2b"},{"last_affected":"1.0.2n"},{"introduced":"1.1.0"},{"last_affected":"1.1.0g"}]}}],"versions":["OpenSSL_1_0_2u","OpenSSL_1_1_0l"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"17.10"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-0739.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}