What is CVE-2015-8000?

CVE-2015-8000 is a vulnerability in Isc Bind, classified under Improper Input Validation. Published 2015-12-16.

Is CVE-2015-8000 known to be exploited?

13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Isc Bind

CVE-2015-8000

db.c in named in ISC BIND 9.x before 9.9.8-P2 and 9.10.x before 9.10.3-P2 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via a malformed class attribute.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2015-12-16 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.547 (99.0th percentile), scored 2026-10-18.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.547 · newest: 0.547 · change: 0.000

Affected products

Isc Bind — versions 8.4.7, 9.0, 9.0.1
Oracle Linux — versions 5.0, 6, 7
Oracle Solaris — versions 10, 11.3
Oracle Vm Server — versions 3.2

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (Third Party Advisory)
marc.info/ (vendor-advisory, Third Party Advisory)
blogs.sophos.com/2016/02/17/utm-up2date-9-354-released/ (Patch)
blogs.sophos.com/2016/02/29/utm-up2date-9-319-released/ (Patch)
lists.fedoraproject.org/pipermail/package-announce/2015-December/174145.html (vendor-advisory)
lists.fedoraproject.org/pipermail/package-announce/2015-December/174252.html (vendor-advisory)
kb.isc.org/article/AA-01438
rhn.redhat.com/errata/RHSA-2016-0079.html (vendor-advisory)
lists.opensuse.org/opensuse-security-announce/2015-12/msg00036.html (vendor-advisory)
lists.opensuse.org/opensuse-security-announce/2015-12/msg00035.html (vendor-advisory)

Frequently asked questions

What is CVE-2015-8000?: CVE-2015-8000 is a vulnerability in Isc Bind, classified under Improper Input Validation. Published 2015-12-16.
Is CVE-2015-8000 known to be exploited?: 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.