{"action":"Upgrade pgbouncer to 1.5.5-1 or later.","affected":[{"fixed":"1.5.5-1","introduced":"0"}],"component":"pgbouncer","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.5.5-1"],"id":"tcs_01M5NB7EC6EJ2649CFVC09C31B","modified_at":"2026-09-09T07:01:17.759178420Z","published_at":"2017-05-23T04:29:00.383Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2015-4054","https://security-tracker.debian.org/tracker/CVE-2015-4054"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2015-4054#Debian:13/pgbouncer","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2015-4054"}],"summary":"PgBouncer before 1.5.5 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by sending a password packet before a startup packet."}