CVE-2015-8899

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-06-30 · updated 2026-06-17
Weakness: CWE-20

Description

Dnsmasq before 2.76 allows remote servers to cause a denial of service (crash) via a reply with an empty DNS address that has an (1) A or (2) AAAA record defined locally.

Affected products

Canonical Ubuntu Linux: 15.10, 16.04
Simon Kelley dnsmasq: through 2.75

References

http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2016q2/010479.html
http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2016q2/010505.html
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=41a8d9e99be9f2cc8b02051dd322cb45e0faac87
http://www.openwall.com/lists/oss-security/2016/06/03/7
http://www.openwall.com/lists/oss-security/2016/06/04/2
http://www.securityfocus.com/bid/91031
http://www.securitytracker.com/id/1036045
http://www.ubuntu.com/usn/USN-3009-1
http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2016q2/010479.html
http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2016q2/010505.html
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=41a8d9e99be9f2cc8b02051dd322cb45e0faac87
http://www.openwall.com/lists/oss-security/2016/06/03/7

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