{"action":"Upgrade tor to 0.2.5.11-1 or later.","affected":[{"fixed":"0.2.5.11-1","introduced":"0"}],"component":"tor","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["0.2.5.11-1"],"id":"tcs_01M5NB5R51QMVPJTEEKD086DYQ","modified_at":"2026-09-09T07:00:23.482143683Z","published_at":"2020-01-24T18:15:12.317Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2015-2689","https://security-tracker.debian.org/tracker/CVE-2015-2689"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2015-2689#Debian:14/tor","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2015-2689"}],"summary":"Tor before 0.2.4.26 and 0.2.5.x before 0.2.5.11 does not properly handle pending-connection resolve states during periods of high DNS load, which allows remote attackers to cause a denial of service ("}