{"action":"Upgrade glibc to 2.19-1 or later.","affected":[{"fixed":"2.19-1","introduced":"0"}],"component":"glibc","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.19-1"],"id":"tcs_01M5NAMX94PX4F1DA1NSXN5ES5","modified_at":"2026-09-01T20:03:19.370091554Z","published_at":"2015-02-24T15:59:00.050Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2013-7423","https://security-tracker.debian.org/tracker/CVE-2013-7423"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2013-7423","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2013-7423"}],"summary":"The send_dg function in resolv/res_send.c in GNU C Library (aka glibc or libc6) before 2.20 does not properly reuse file descriptors, which allows remote attackers to send DNS queries to unintended lo"}