{"id":"ALPINE-CVE-2020-8794","details":"OpenSMTPD before 6.6.4 allows remote code execution because of an out-of-bounds read in mta_io in mta_session.c for multi-line replies. Although this vulnerability affects the client side of OpenSMTPD, it is possible to attack a server because the server code launches the client code during bounce handling.","modified":"2026-11-03T06:32:37.712295486Z","published":"2020-02-25T17:15:13.197Z","upstream":["CVE-2020-8794"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2020-8794"}],"affected":[{"package":{"name":"opensmtpd-extras","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/opensmtpd-extras?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-8794.json"}},{"package":{"name":"opensmtpd-extras","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/opensmtpd-extras?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-8794.json"}},{"package":{"name":"opensmtpd-extras","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/opensmtpd-extras?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-8794.json"}},{"package":{"name":"opensmtpd-extras","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/opensmtpd-extras?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-8794.json"}},{"package":{"name":"opensmtpd-extras","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/opensmtpd-extras?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-8794.json"}},{"package":{"name":"opensmtpd-extras","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/opensmtpd-extras?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-8794.json"}},{"package":{"name":"opensmtpd-extras","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/opensmtpd-extras?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-8794.json"}},{"package":{"name":"opensmtpd-extras","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/opensmtpd-extras?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-8794.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}