CVE-2015-1868

Name: CVE-2015-1868
Creator: NVD / NIST
Published: 2015-05-18T15:59:05.823+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 81.83%

Last modified Jun 17, 2026

CVE-2015-1868 is a vulnerability of currently unknown severity. The label decompression functionality in PowerDNS Recursor 3.5.x, 3.6.x before 3.6.3, and 3.7.x before 3.7.2 and Authoritative (Auth) Server 3.2.x, 3.3.x before 3.3.2, and 3.4.x before 3.4.4 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a name that refers to itself.. EPSS estimates a 81.83% chance of exploitation in the next 30 days.

Description

The label decompression functionality in PowerDNS Recursor 3.5.x, 3.6.x before 3.6.3, and 3.7.x before 3.7.2 and Authoritative (Auth) Server 3.2.x, 3.3.x before 3.3.2, and 3.4.x before 3.4.4 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a name that refers to itself.

Metrics

EPSS Probability

81.83%

99.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Powerdns	Authoritative	3.2
Powerdns	Authoritative	3.3
Powerdns	Authoritative	3.3.1
Powerdns	Authoritative	3.3.2
Powerdns	Authoritative	3.4.0
Powerdns	Authoritative	3.4.1
Powerdns	Authoritative	3.4.3
Fedoraproject	Fedora	20
Fedoraproject	Fedora	21
Fedoraproject	Fedora	22
Powerdns	Recursor	3.5
Powerdns	Recursor	3.5.1
Powerdns	Recursor	3.5.2
Powerdns	Recursor	3.5.3
Powerdns	Recursor	3.6.0
Powerdns	Recursor	3.6.1
Powerdns	Recursor	3.6.2
Powerdns	Recursor	3.6.3
Powerdns	Recursor	3.7.1

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156648.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156655.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156667.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156680.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156725.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156743.htmlThird Party Advisory
http://www.debian.org/security/2015/dsa-3306
http://www.debian.org/security/2015/dsa-3307
http://www.securityfocus.com/bid/74306Third Party Advisory
http://www.securitytracker.com/id/1032220Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156648.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156655.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156667.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156680.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156725.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156743.htmlThird Party Advisory
http://www.debian.org/security/2015/dsa-3306
http://www.debian.org/security/2015/dsa-3307
http://www.securityfocus.com/bid/74306Third Party Advisory
http://www.securitytracker.com/id/1032220Third Party Advisory

Timeline

Published: May 18, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-1868?

How severe is CVE-2015-1868?

Severity scoring for CVE-2015-1868 is pending analysis. The EPSS model estimates a 81.83% probability of exploitation in the next 30 days.

How do I fix CVE-2015-1868?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-1868?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST