{"id":"ALPINE-CVE-2018-1061","details":"python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in the difflib.IS_LINE_JUNK method.  An attacker could use this flaw to cause denial of service.","modified":"2025-11-19T06:13:28.016127Z","published":"2018-06-19T12:29:00.220Z","upstream":["CVE-2018-1061"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2018-1061"}],"affected":[{"package":{"name":"python2","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/python2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.15-r0"}]}],"versions":["2.6.1-r0","2.6.1-r1","2.6.1-r2","2.6.2-r0","2.6.2-r1","2.6.3-r0","2.6.4-r0","2.6.5-r0","2.6.5-r1","2.6.5-r2","2.6.5-r3","2.6.5-r4","2.6.5-r5","2.6.5-r6","2.6.5-r7","2.6.5-r8","2.7.10-r0","2.7.10-r1","2.7.10-r2","2.7.10-r3","2.7.11-r0","2.7.11-r1","2.7.11-r2","2.7.11-r3","2.7.11-r4","2.7.11-r5","2.7.12-r0","2.7.12-r1","2.7.12-r2","2.7.12-r3","2.7.12-r4","2.7.12-r5","2.7.12-r6","2.7.12-r7","2.7.13-r0","2.7.13-r1","2.7.13-r2","2.7.14-r0","2.7.14-r1","2.7.14-r2","2.7.14-r3","2.7.14-r4","2.7.2-r0","2.7.2-r2","2.7.2-r3","2.7.3-r3","2.7.3-r4","2.7.3-r5","2.7.5-r0","2.7.5-r1","2.7.5-r2","2.7.5-r3","2.7.6-r0","2.7.6-r1","2.7.6-r2","2.7.6-r3","2.7.6-r4","2.7.7-r0","2.7.8-r0","2.7.9-r0","2.7.9-r1","2.7.9-r2","2.7.9-r3","2.7.9-r4"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-1061.json"}},{"package":{"name":"python2","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/python2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.15-r0"}]}],"versions":["2.6.1-r0","2.6.1-r1","2.6.1-r2","2.6.2-r0","2.6.2-r1","2.6.3-r0","2.6.4-r0","2.6.5-r0","2.6.5-r1","2.6.5-r2","2.6.5-r3","2.6.5-r4","2.6.5-r5","2.6.5-r6","2.6.5-r7","2.6.5-r8","2.7.10-r0","2.7.10-r1","2.7.10-r2","2.7.10-r3","2.7.11-r0","2.7.11-r1","2.7.11-r2","2.7.11-r3","2.7.11-r4","2.7.11-r5","2.7.12-r0","2.7.12-r1","2.7.12-r2","2.7.12-r3","2.7.12-r4","2.7.12-r5","2.7.12-r6","2.7.12-r7","2.7.13-r0","2.7.13-r1","2.7.13-r2","2.7.14-r0","2.7.14-r1","2.7.14-r2","2.7.14-r3","2.7.14-r4","2.7.2-r0","2.7.2-r2","2.7.2-r3","2.7.3-r3","2.7.3-r4","2.7.3-r5","2.7.5-r0","2.7.5-r1","2.7.5-r2","2.7.5-r3","2.7.6-r0","2.7.6-r1","2.7.6-r2","2.7.6-r3","2.7.6-r4","2.7.7-r0","2.7.8-r0","2.7.9-r0","2.7.9-r1","2.7.9-r2","2.7.9-r3","2.7.9-r4"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-1061.json"}},{"package":{"name":"python2","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/python2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.15-r0"}]}],"versions":["2.6.1-r0","2.6.1-r1","2.6.1-r2","2.6.2-r0","2.6.2-r1","2.6.3-r0","2.6.4-r0","2.6.5-r0","2.6.5-r1","2.6.5-r2","2.6.5-r3","2.6.5-r4","2.6.5-r5","2.6.5-r6","2.6.5-r7","2.6.5-r8","2.7.10-r0","2.7.10-r1","2.7.10-r2","2.7.10-r3","2.7.11-r0","2.7.11-r1","2.7.11-r2","2.7.11-r3","2.7.11-r4","2.7.11-r5","2.7.12-r0","2.7.12-r1","2.7.12-r2","2.7.12-r3","2.7.12-r4","2.7.12-r5","2.7.12-r6","2.7.12-r7","2.7.13-r0","2.7.13-r1","2.7.13-r2","2.7.14-r0","2.7.14-r1","2.7.14-r2","2.7.14-r3","2.7.14-r4","2.7.2-r0","2.7.2-r2","2.7.2-r3","2.7.3-r3","2.7.3-r4","2.7.3-r5","2.7.5-r0","2.7.5-r1","2.7.5-r2","2.7.5-r3","2.7.6-r0","2.7.6-r1","2.7.6-r2","2.7.6-r3","2.7.6-r4","2.7.7-r0","2.7.8-r0","2.7.9-r0","2.7.9-r1","2.7.9-r2","2.7.9-r3","2.7.9-r4"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-1061.json"}},{"package":{"name":"python2","ecosystem":"Alpine:v3.5","purl":"pkg:apk/alpine/python2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.15-r0"}]}],"versions":["2.6.1-r0","2.6.1-r1","2.6.1-r2","2.6.2-r0","2.6.2-r1","2.6.3-r0","2.6.4-r0","2.6.5-r0","2.6.5-r1","2.6.5-r2","2.6.5-r3","2.6.5-r4","2.6.5-r5","2.6.5-r6","2.6.5-r7","2.6.5-r8","2.7.10-r0","2.7.10-r1","2.7.10-r2","2.7.10-r3","2.7.11-r0","2.7.11-r1","2.7.11-r2","2.7.11-r3","2.7.11-r4","2.7.11-r5","2.7.12-r0","2.7.12-r1","2.7.12-r2","2.7.12-r3","2.7.12-r4","2.7.12-r5","2.7.12-r6","2.7.12-r7","2.7.13-r0","2.7.14-r0","2.7.2-r0","2.7.2-r2","2.7.2-r3","2.7.3-r3","2.7.3-r4","2.7.3-r5","2.7.5-r0","2.7.5-r1","2.7.5-r2","2.7.5-r3","2.7.6-r0","2.7.6-r1","2.7.6-r2","2.7.6-r3","2.7.6-r4","2.7.7-r0","2.7.8-r0","2.7.9-r0","2.7.9-r1","2.7.9-r2","2.7.9-r3","2.7.9-r4"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-1061.json"}},{"package":{"name":"python2","ecosystem":"Alpine:v3.6","purl":"pkg:apk/alpine/python2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.15-r0"}]}],"versions":["2.6.1-r0","2.6.1-r1","2.6.1-r2","2.6.2-r0","2.6.2-r1","2.6.3-r0","2.6.4-r0","2.6.5-r0","2.6.5-r1","2.6.5-r2","2.6.5-r3","2.6.5-r4","2.6.5-r5","2.6.5-r6","2.6.5-r7","2.6.5-r8","2.7.10-r0","2.7.10-r1","2.7.10-r2","2.7.10-r3","2.7.11-r0","2.7.11-r1","2.7.11-r2","2.7.11-r3","2.7.11-r4","2.7.11-r5","2.7.12-r0","2.7.12-r1","2.7.12-r2","2.7.12-r3","2.7.12-r4","2.7.12-r5","2.7.12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