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CVE Record

CVE-2016-10197: The search_make_new function in evdns.c in libevent before 2.1.6-beta allows attackers to cause a denial of...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

A bug in libevent’s DNS handling could crash software that processes an empty hostname. The public bundle describes denial of service, not data theft or code execution. Business urgency depends on whether exposed applications use libevent’s evdns path with user-controlled hostnames. Exposure is most likely in applications or appliances embedding libevent before 2.1.6-beta and resolving hostnames through evdns. Risk increases when external users can submit hostnames or URLs that reach this code path. Treat as a targeted availability risk. Prioritize internet-facing or customer-facing services that parse user-supplied hostnames, then remediate through normal dependency and operating system patch cycles. Mitigation focus: Inventory software and packages that include libevent or link against it.; Upgrade libevent to 2.1.6-beta or a vendor-supported fixed package.; Apply relevant Debian, Red Hat, or Gentoo security updates where applicable..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
8Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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