{"cve":"CVE-2022-0711","nvd":{"published":"2022-03-02T22:15:08.313","modified":"2026-06-17T04:21:06.570","status":"Modified","description":"A flaw was found in the way HAProxy processed HTTP responses containing the \"Set-Cookie2\" header. This flaw could allow an attacker to send crafted HTTP response packets which lead to an infinite loop, eventually resulting in a denial of service condition. The highest threat from this vulnerability is availability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-835"],"references":["https://access.redhat.com/security/cve/cve-2022-0711","https://github.com/haproxy/haproxy/commit/bfb15ab34ead85f64cd6da0e9fb418c9cd14cee8","https://www.debian.org/security/2022/dsa-5102","https://www.mail-archive.com/haproxy%40formilux.org/msg41833.html","https://access.redhat.com/security/cve/cve-2022-0711"],"products":["debian:debian_linux","haproxy:haproxy","redhat:enterprise_linux","redhat:openshift_container_platform","redhat:software_collections"],"source":"nvd","synced_at":"2026-10-19T21:28:04.509275555+00:00"},"epss":{"cve":"CVE-2022-0711","score":0.16563,"percentile":0.97009,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}