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Vulnerability details: VCID-rhx2-e6nu-vyc9
Vulnerability ID VCID-rhx2-e6nu-vyc9
Aliases CVE-2016-10197
Summary The search_make_new function in evdns.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (out-of-bounds read) via an empty hostname.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-10197.json
epss 0.01987 https://api.first.org/data/v1/epss?cve=CVE-2016-10197
archlinux Low https://security.archlinux.org/AVG-214
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-10197.json
https://api.first.org/data/v1/epss?cve=CVE-2016-10197
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10195
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10196
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10197
1418612 https://bugzilla.redhat.com/show_bug.cgi?id=1418612
854092 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854092
AVG-214 https://security.archlinux.org/AVG-214
GLSA-201705-01 https://security.gentoo.org/glsa/201705-01
RHSA-2017:1104 https://access.redhat.com/errata/RHSA-2017:1104
RHSA-2017:1106 https://access.redhat.com/errata/RHSA-2017:1106
RHSA-2017:1201 https://access.redhat.com/errata/RHSA-2017:1201
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-2016-10197.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 0.83917
EPSS Score 0.01987
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T16:40:13.819432+00:00 Debian Importer Import https://security-tracker.debian.org/tracker/data/json 38.6.0