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Vulnerability details: VCID-qk77-35nr-1qbd
Vulnerability ID VCID-qk77-35nr-1qbd
Aliases CVE-2019-6477
Summary bind: TCP Pipelining doesn't limit TCP clients on a single connection
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-400 Uncontrolled Resource Consumption
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-6477.json
epss 0.05682 https://api.first.org/data/v1/epss?cve=CVE-2019-6477
epss 0.05682 https://api.first.org/data/v1/epss?cve=CVE-2019-6477
epss 0.05682 https://api.first.org/data/v1/epss?cve=CVE-2019-6477
epss 0.05682 https://api.first.org/data/v1/epss?cve=CVE-2019-6477
epss 0.05682 https://api.first.org/data/v1/epss?cve=CVE-2019-6477
epss 0.05682 https://api.first.org/data/v1/epss?cve=CVE-2019-6477
epss 0.05682 https://api.first.org/data/v1/epss?cve=CVE-2019-6477
epss 0.05682 https://api.first.org/data/v1/epss?cve=CVE-2019-6477
epss 0.05682 https://api.first.org/data/v1/epss?cve=CVE-2019-6477
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-6477.json
https://api.first.org/data/v1/epss?cve=CVE-2019-6477
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6477
1773617 https://bugzilla.redhat.com/show_bug.cgi?id=1773617
945171 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=945171
RHSA-2020:1061 https://access.redhat.com/errata/RHSA-2020:1061
RHSA-2020:1845 https://access.redhat.com/errata/RHSA-2020:1845
USN-4197-1 https://usn.ubuntu.com/4197-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-6477.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.90358
EPSS Score 0.05682
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T14:15:02.637054+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-6477.json 38.0.0