---
cve: "CVE-2016-4817"
severity: "LOW"
cvss: 3.1
epss: "4.4%"
vendor: "n/a"
kev: false
exploited: false
published: "2016-06-19 01:59:11"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-20T23:59:08+02:00"
---

# CVE-2016-4817

> 3.1 LOW · 🧪 PoC

## Beschreibung

lib/http2/connection.c in H2O before 1.7.3 and 2.x before 2.0.0-beta5 mishandles HTTP/2 disconnection, which allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly execute arbitrary code via a crafted packet.

## Patch verfügbar (OSV)

- 1c0808d580da09fdec5a9a74ff09e103ea058dd4 (Commit)

## Referenzen

- <https://github.com/h2o/h2o/commit/1c0808d580da09fdec5a9a74ff09e103ea058dd4>
- <http://jvn.jp/en/jp/JVN87859762/index.html>
- <https://github.com/h2o/h2o/pull/920>
- <http://jvndb.jvn.jp/jvndb/JVNDB-2016-000091>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2016-4817) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_