EUVD-2017-0059

🗓️ 07 Oct 2025 00:30:54Reported by EUVDType

HTTP/2 Python HPACK library vulnerable to denial of service via HPACK Bomb attack using oversized headers.

Reporter	Title	Published	Views	Family All 23
Circl	CVE-2016-6581	26 Feb 202416:31	–	circl
CNVD	Python HPACK Denial of Service Vulnerability	11 Aug 201600:00	–	cnvd
CVE	CVE-2016-6581	10 Jan 201715:00	–	cve
Cvelist	CVE-2016-6581	10 Jan 201715:00	–	cvelist
Debian CVE	CVE-2016-6581	10 Jan 201715:00	–	debiancve
Github Security Blog	HPACK Denial of Service vulnerability (HPACK Bomb)	5 Jul 201921:11	–	github
NCSC	Vulnerabilities fixed in Juniper Junos Space	19 Apr 202100:00	–	ncsc
NVD	CVE-2016-6581	10 Jan 201715:59	–	nvd
OSV	CVE-2016-6581	10 Jan 201715:59	–	osv
OSV	DEBIAN-CVE-2016-6581	10 Jan 201715:59	–	osv

[
  {
    "enisaIdVendor": [
      {
        "id": "439a593a-4121-3ca6-bbfe-1290c56214ac",
        "vendor": {
          "name": "n/a"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "e4b85f39-9cbe-3f0d-8c58-57035433ed3f",
        "product": {
          "name": "n/a"
        },
        "product_version": "n/a"
      }
    ]
  }
]

Source	Link
python-hyper	www.python-hyper.org/hpack/en/latest/security/CVE-2016-6581.html
securityfocus	www.securityfocus.com/bid/92315
github	www.github.com/advisories/GHSA-ffq8-576r-v26g
nvd	www.nvd.nist.gov/vuln/detail/CVE-2016-6581
github	www.github.com/pypa/advisory-database/tree/main/vulns/hpack/PYSEC-2017-87.yaml
github	www.github.com/python-hyper/hpack
web	www.web.archive.org/web/20200227233559/http://www.securityfocus.com/bid/92315
python-hyper	www.python-hyper.org/projects/hpack/en/stable/security/CVE-2016-6581.html
suse	www.suse.com/security/cve/CVE-2016-6581.html
github	www.github.com/advisories/GHSA-293c-r3p4-g63r

07 Oct 2025 00:30Current

7.6High risk

Vulners AI Score7.6

CVSS 37.5

CVSS 27.8

EPSS0.00373