CVE-2015-1868

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 78.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-05-18 · updated 2026-06-17
Weakness: CWE-399

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.

Affected products

Fedoraproject Fedora: 20, 21, 22
PowerDNS Authoritative: 3.2, 3.3, 3.3.1, 3.3.2, 3.4.0, 3.4.1 (+1)
PowerDNS Recursor: 3.5, 3.5.1, 3.5.2, 3.5.3, 3.6.0, 3.6.1 (+3)

References

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

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