{"id":"ALPINE-CVE-2019-20633","details":"GNU patch through 2.7.6 contains a free(p_line[p_end]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952.","modified":"2026-03-09T01:17:49.430129Z","published":"2020-03-25T17:15:14.013Z","upstream":["CVE-2019-20633"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2019-20633"}],"affected":[{"package":{"name":"patch","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/patch?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.6-r7"}]}],"versions":["2.5.9-r0","2.6-r0","2.6.1-r0","2.6.1-r1","2.6.1-r2","2.6.1-r3","2.7-r0","2.7.1-r0","2.7.1-r1","2.7.3-r0","2.7.4-r0","2.7.5-r0","2.7.5-r1","2.7.6-r0","2.7.6-r1","2.7.6-r2","2.7.6-r3","2.7.6-r4","2.7.6-r5","2.7.6-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2019-20633.json"}},{"package":{"name":"patch","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/patch?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.6-r7"}]}],"versions":["2.5.9-r0","2.6-r0","2.6.1-r0","2.6.1-r1","2.6.1-r2","2.6.1-r3","2.7-r0","2.7.1-r0","2.7.1-r1","2.7.3-r0","2.7.4-r0","2.7.5-r0","2.7.5-r1","2.7.6-r0","2.7.6-r1","2.7.6-r2","2.7.6-r3","2.7.6-r4","2.7.6-r5","2.7.6-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2019-20633.json"}},{"package":{"name":"patch","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/patch?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.6-r7"}]}],"versions":["2.5.9-r0","2.6-r0","2.6.1-r0","2.6.1-r1","2.6.1-r2","2.6.1-r3","2.7-r0","2.7.1-r0","2.7.1-r1","2.7.3-r0","2.7.4-r0","2.7.5-r0","2.7.5-r1","2.7.6-r0","2.7.6-r1","2.7.6-r2","2.7.6-r3","2.7.6-r4","2.7.6-r5","2.7.6-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2019-20633.json"}},{"package":{"name":"patch","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/patch?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.6-r7"}]}],"versions":["2.5.9-r0","2.6-r0","2.6.1-r0","2.6.1-r1","2.6.1-r2","2.6.1-r3","2.7-r0","2.7.1-r0","2.7.1-r1","2.7.3-r0","2.7.4-r0","2.7.5-r0","2.7.5-r1","2.7.6-r0","2.7.6-r1","2.7.6-r2","2.7.6-r3","2.7.6-r4","2.7.6-r5","2.7.6-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2019-20633.json"}},{"package":{"name":"patch","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/patch?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.6-r7"}]}],"versions":["2.5.9-r0","2.6-r0","2.6.1-r0","2.6.1-r1","2.6.1-r2","2.6.1-r3","2.7-r0","2.7.1-r0","2.7.1-r1","2.7.3-r0","2.7.4-r0","2.7.5-r0","2.7.5-r1","2.7.6-r0","2.7.6-r1","2.7.6-r2","2.7.6-r3","2.7.6-r4","2.7.6-r5","2.7.6-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2019-20633.json"}},{"package":{"name":"patch","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/patch?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.6-r7"}]}],"versions":["2.5.9-r0","2.6-r0","2.6.1-r0","2.6.1-r1","2.6.1-r2","2.6.1-r3","2.7-r0","2.7.1-r0","2.7.1-r1","2.7.3-r0","2.7.4-r0","2.7.5-r0","2.7.5-r1","2.7.6-r0","2.7.6-r1","2.7.6-r2","2.7.6-r3","2.7.6-r4","2.7.6-r5","2.7.6-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2019-20633.json"}},{"package":{"name":"patch","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/patch?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.6-r7"}]}],"versions":["2.5.9-r0","2.6-r0","2.6.1-r0","2.6.1-r1","2.6.1-r2","2.6.1-r3","2.7-r0","2.7.1-r0","2.7.1-r1","2.7.3-r0","2.7.4-r0","2.7.5-r0","2.7.5-r1","2.7.6-r0","2.7.6-r1","2.7.6-r2","2.7.6-r3","2.7.6-r4","2.7.6-r5","2.7.6-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2019-20633.json"}},{"package":{"name":"patch","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/patch?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.6-r7"}]}],"versions":["2.5.9-r0","2.6-r0","2.6.1-r0","2.6.1-r1","2.6.1-r2","2.6.1-r3","2.7-r0","2.7.1-r0","2.7.1-r1","2.7.3-r0","2.7.4-r0","2.7.5-r0","2.7.5-r1","2.7.6-r0","2.7.6-r1","2.7.6-r2","2.7.6-r3","2.7.6-r4","2.7.6-r5","2.7.6-r6"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2019-20633.json"}},{"package":{"name":"patch","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/patch?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.6-r7"}]}],"versions":["2.5.9-r0","2.6-r0","2.6.1-r0","2.6.1-r1","2.6.1-r2","2.6.1-r3","2.7-r0","2.7.1-r0","2.7.1-r1"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