{"id":"ALPINE-CVE-2017-9951","details":"The try_read_command function in memcached.c in memcached before 1.4.39 allows remote attackers to cause a denial of service (segmentation fault) via a request to add/set a key, which makes a comparison between signed and unsigned int and triggers a heap-based buffer over-read. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-8705.","modified":"2025-11-19T06:12:05.984404Z","published":"2017-07-17T13:18:30.970Z","upstream":["CVE-2017-9951"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2017-9951"}],"affected":[{"package":{"name":"memcached","ecosystem":"Alpine:v3.3","purl":"pkg:apk/alpine/memcached?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.33-r1"}]}],"versions":["1.4.10-r0","1.4.11-r0","1.4.13-r0","1.4.14-r0","1.4.15-r0","1.4.15-r1","1.4.15-r2","1.4.15-r3","1.4.15-r4","1.4.17-r0","1.4.18-r0","1.4.19-r0","1.4.20-r0","1.4.21-r0","1.4.21-r1","1.4.22-r0","1.4.22-r1","1.4.24-r0","1.4.25-r0","1.4.33-r0","1.4.5-r0","1.4.5-r1","1.4.6-r0","1.4.7-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-9951.json"}},{"package":{"name":"memcached","ecosystem":"Alpine:v3.4","purl":"pkg:apk/alpine/memcached?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.33-r1"}]}],"versions":["1.4.10-r0","1.4.11-r0","1.4.13-r0","1.4.14-r0","1.4.15-r0","1.4.15-r1","1.4.15-r2","1.4.15-r3","1.4.15-r4","1.4.17-r0","1.4.18-r0","1.4.19-r0","1.4.20-r0","1.4.21-r0","1.4.21-r1","1.4.22-r0","1.4.22-r1","1.4.24-r0","1.4.25-r0","1.4.25-r1","1.4.25-r2","1.4.33-r0","1.4.5-r0","1.4.5-r1","1.4.6-r0","1.4.7-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-9951.json"}},{"package":{"name":"memcached","ecosystem":"Alpine:v3.5","purl":"pkg:apk/alpine/memcached?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.33-r1"}]}],"versions":["1.4.10-r0","1.4.11-r0","1.4.13-r0","1.4.14-r0","1.4.15-r0","1.4.15-r1","1.4.15-r2","1.4.15-r3","1.4.15-r4","1.4.17-r0","1.4.18-r0","1.4.19-r0","1.4.20-r0","1.4.21-r0","1.4.21-r1","1.4.22-r0","1.4.22-r1","1.4.24-r0","1.4.25-r0","1.4.25-r1","1.4.25-r2","1.4.31-r0","1.4.32-r0","1.4.33-r0","1.4.5-r0","1.4.5-r1","1.4.6-r0","1.4.7-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-9951.json"}},{"package":{"name":"memcached","ecosystem":"Alpine:v3.6","purl":"pkg:apk/alpine/memcached?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.36-r1"}]}],"versions":["1.4.10-r0","1.4.11-r0","1.4.13-r0","1.4.14-r0","1.4.15-r0","1.4.15-r1","1.4.15-r2","1.4.15-r3","1.4.15-r4","1.4.17-r0","1.4.18-r0","1.4.19-r0","1.4.20-r0","1.4.21-r0","1.4.21-r1","1.4.22-r0","1.4.22-r1","1.4.24-r0","1.4.25-r0","1.4.25-r1","1.4.25-r2","1.4.31-r0","1.4.32-r0","1.4.33-r0","1.4.34-r0","1.4.34-r1","1.4.35-r0","1.4.36-r0","1.4.5-r0","1.4.5-r1","1.4.6-r0","1.4.7-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-9951.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}