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Fencer Intel
high 7.5

CVE-2015-8899 json

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 (…

published 2016-06-30 10 y ago modified 2026-06-17 4 mo ago also EUVD-2015-8755

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

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.

Patch / fix

  • dnsmasq Debian 14, Debian 13, Debian 12 2.76-1

debian advisories DEBIAN-CVE-2015-8899

  • dnsmasq Ubuntu 16.04 LTS 2.75-1ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2015-8899

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • dnsmasq SLES 11 SP3-TERADATA, SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 2.78-0.16.5.1
  • dnsmasq SLES for SAP 11 SP4, SLES 11 SP4 2.78-0.17.5.1
  • dnsmasq SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for Raspberry Pi 12 SP2 +5 more 2.71-13.1
  • dnsmasq Cloud Compute Node for SUSE Linux Enterprise 12 5 2.71-6.3.1
  • dnsmasq SLES for SAP 11 SP4, SLES 11 SP4 2.71-0.16.3
  • dnsmasq SLES 12-LTSS 2.78-6.6.1

suse advisories SUSE-SU-2017:2617-1SUSE-SU-2017:2616-1SUSE-SU-2017:2619-1SUSE-SU-2016:3269-1SUSE-SU-2016:3257-1SUSE-SU-2016:3199-1

  • dnsmasq openSUSE Tumbleweed 2.76-1.3

opensuse advisories openSUSE-SU-2024:10195-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-8899 updated cvss 4.3

dnsmasq: Denial-of-service when empty address from DNS overlays A record from hosts

  • Red Hat Enterprise Linux 5 dnsmasq Red Hat Enterprise Linux 6 dnsmasq, dnsmasq-utils Red Hat Enterprise Linux 7 dnsmasq, dnsmasq-utils Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) dnsmasq Red Hat Enterprise Linux OpenStack Platform 6 (Juno) dnsmasq Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) dnsmasq-utils
    +2 more products
    Red Hat OpenStack Platform 8 (Liberty) dnsmasq-utils Red Hat OpenStack Platform 9 (Mitaka) dnsmasq-utils
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.50% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/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

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.