onyx

onyx --cves cve-2013-2175

CVE-2013-2175

score
<0.1
cvss
5.0
epss
3.6%
published
2013-08-19
kev added
—
first seen

HAProxy versions before 1.4.24 and 1.5 before 1.5-dev19 contain a denial of service caused by negative array index usage in hdr_* functions with negative occurrence count, letting remote attackers crash the service, exploit requires sending HTTP headers with specific number of values.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2013-08-19 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 3.5%2026-09-23: epss 3.5%2026-09-24: epss 3.5%2026-09-25: epss 3.5%2026-09-26: epss 3.5%2026-09-27: epss 3.5%2026-09-28: epss 3.5%2026-09-29: epss 3.5%2026-09-30: epss 3.6%2026-10-01: epss 3.6%2026-10-02: epss 3.6%2026-10-03: epss 3.6%2026-10-04: epss 3.6%2026-10-05: epss 3.6%2026-10-06: epss 3.6%2026-10-07: epss 3.6%2026-10-08: epss 3.6%2026-10-09: epss 3.6%2026-10-10: epss 3.6%2026-10-11: epss 3.6%2026-10-12: epss 3.6%2026-10-13: epss 3.6%2026-10-14: epss 3.6%2026-10-15: epss 3.6%2026-10-16: epss 3.6%2026-10-18: epss 3.6%2026-10-19: epss 3.6%2026-10-20: epss 3.6%2026-10-21: epss 3.6%3.6%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-20

References 7