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Vulnerability record · CVE-2012-2978 · published 27 July 2012

CVE-2012-2978: Nlnetlabs nsd memory buffer overflow vulnerability

Nlnetlabs · Nsd

query.c in NSD 3.0.x through 3.0.8, 3.1.x through 3.1.1, and 3.2.x before 3.2.12 allows remote attackers to cause a denial of service (NULL pointer dereference and child process crash) via a crafted DNS packet.

5.0 CVSS 2.0 Medium EPSS 9.2% · top 4.8% CWE-119 · Memory buffer overflow
5.0CVSS 2.0 base score
9.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

query.c in NSD 3.0.x through 3.0.8, 3.1.x through 3.1.1, and 3.2.x before 3.2.12 allows remote attackers to cause a denial of service (NULL pointer dereference and child process crash) via a crafted DNS packet.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/84097
http://secunia.com/advisories/49795
http://secunia.com/advisories/49997
http://www.debian.org/security/2012/dsa-2515
http://www.kb.cert.org/vuls/id/624931 US Government Resource
http://www.nlnetlabs.nl/downloads/CVE-2012-2978.txt Vendor Advisory
http://www.securityfocus.com/bid/54606
http://osvdb.org/84097
http://secunia.com/advisories/49795
http://secunia.com/advisories/49997
http://www.debian.org/security/2012/dsa-2515
http://www.kb.cert.org/vuls/id/624931 US Government Resource
http://www.nlnetlabs.nl/downloads/CVE-2012-2978.txt Vendor Advisory
http://www.securityfocus.com/bid/54606

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-2978), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.