onyx

onyx --cves cve-2019-9516

CVE-2019-9516

score
<0.1
cvss
6.5
epss
56.3%
published
2019-08-13
kev added
—
first seen

Some HTTP/2 implementations contain a header leak caused by processing headers with 0-length name and value, letting attackers cause denial of service through excessive memory consumption, exploit requires sending crafted headers.

Timeline

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

events2019-08-13 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 56.3%2026-09-23: epss 56.3%2026-09-24: epss 56.3%2026-09-25: epss 56.3%2026-09-26: epss 56.3%2026-09-27: epss 56.3%2026-09-28: epss 56.3%2026-09-29: epss 56.3%2026-09-30: epss 56.3%2026-10-01: epss 56.3%2026-10-02: epss 56.3%2026-10-03: epss 56.3%2026-10-04: epss 56.3%2026-10-05: epss 56.3%2026-10-06: epss 56.3%2026-10-07: epss 56.3%2026-10-08: epss 56.3%2026-10-09: epss 56.3%2026-10-10: epss 56.3%2026-10-11: epss 56.3%2026-10-12: epss 56.3%2026-10-13: epss 56.3%2026-10-14: epss 56.3%2026-10-15: epss 56.3%2026-10-16: epss 56.3%2026-10-18: epss 56.3%2026-10-19: epss 56.3%2026-10-20: epss 56.3%2026-10-21: epss 56.3%56.3%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-400 CWE-770

References 29

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