CVE-2016-10197
mediumpriority · track · 32EPSS 0.052 · 92 %ileEUUSgrimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
5.19% (92nd) EPSS
CVSS 5 · medium
Who says so?
3 sources
cnnvd · enisa_euvd · nvd
EPSS · scored 2026-10-27
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.
01
cvss
Technical severity, 0–10. One row per scoring source.
7.5
010
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
affected products (3)
Products and version ranges known to be affected.
04
also known as (3)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
07
references (36)
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2017/01/31/17cnnvd
- http://www.openwall.com/lists/oss-security/2017/02/02/7cnnvd
- http://www.securitytracker.com/id/1038320cnnvd
- https://access.redhat.com/errata/RHSA-2017:1104cnnvd
- https://access.redhat.com/errata/RHSA-2017:1106cnnvd
- https://access.redhat.com/errata/RHSA-2017:1201cnnvd
- https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLogcnnvd
- https://github.com/libevent/libevent/commit/ec65c42052d95d2c23d1d837136d1cf1d9ecef9ecnnvd
scry
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