{"cve":"CVE-2013-2175","nvd":{"published":"2013-08-19T13:07:58.227","modified":"2026-06-16T23:52:53.307","status":"Modified","description":"HAProxy 1.4 before 1.4.24 and 1.5 before 1.5-dev19, when configured to use hdr_ip or other \"hdr_*\" functions with a negative occurrence count, allows remote attackers to cause a denial of service (negative array index usage and crash) via an HTTP header with a certain number of values, related to the MAX_HDR_HISTORY variable.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20","CWE-284"],"references":["http://marc.info/?l=haproxy&m=137147915029705&w=2","http://rhn.redhat.com/errata/RHSA-2013-1120.html","http://rhn.redhat.com/errata/RHSA-2013-1204.html","http://secunia.com/advisories/54344","http://www.debian.org/security/2013/dsa-2711"],"products":["canonical:ubuntu_linux","debian:debian_linux","haproxy:haproxy","redhat:enterprise_linux_load_balancer"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-2175","score":0.03587,"percentile":0.89424,"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."]}