An exploitable NULL pointer dereference vulnerability exists in the tinysvcmdns library version 2017-11-05.

published 2018-01-20 8y ago modified 2026-06-17 4mo ago also EUVD-2017-3714

cvss: 7.5; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.4%; EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits: 0; none known

An exploitable NULL pointer dereference vulnerability exists in the tinysvcmdns library version 2017-11-05. A specially crafted packet can make the library dereference a NULL pointer leading to a server crash and denial of service. An attacker needs to send a DNS query to trigger this vulnerability.

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Exploit prediction

2.43% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2017-0486 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

Talos Tinysvcmdns

Classification

Weakness

CWE-476 NULL Pointer Dereference

References

talosintelligence.com /vulnerability_reports/TALOS-2017-0486
exploit, technical-description, third-party-advisory
securityfocus.com /bid/102795
vdb-entry, third-party-advisory

Sources

CVE List CVE-2017-12130
NVD CVE-2017-12130

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