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CVE-2015-8000

41
FAUCET Score

CVE-2015-8000 describes a denial-of-service vulnerability in ISC BIND versions 9.x before 9.9.8-P2 and 9.10.x before 9.10.3-P2, affecting various operating systems including Linux and Solaris. A remote attacker can trigger an assertion failure and daemon exit by sending a malformed class attribute. With a CVSS score of 5.0, this vulnerability has a low attack complexity and requires no authentication, leading to a complete loss of availability. While not actively exploited in the wild and lacking public exploit code, its high FAUCET Risk Score and notable community discussion suggest it warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
5.0CPE matchmatch criteria
cpe:2.3:o:oracle:linux:5.0:*:*:*:*:*:*:*
6CPE matchmatch criteria
cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*
7CPE matchmatch criteria
cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
10CPE matchmatch criteria
cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*
11.3CPE matchmatch criteria
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
54.69%
Probability of exploitation in next 30 days
EPSS Percentile
98.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.5469 is in the 99th percentile among its peer group of 23,684 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: bind-30:9.3.6-25.P1.el5_11.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: bind97-32:9.7.0-21.P2.el5_11.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: bind-32:9.8.2-0.37.rc1.el6_7.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.4 Advanced Update SupportFixed in: bind-32:9.8.2-0.17.rc1.el6_4.7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.5 Advanced Update SupportFixed in: bind-32:9.8.2-0.23.rc1.el6_5.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.6 Extended Update SupportFixed in: bind-32:9.8.2-0.30.rc1.el6_6.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: bind-32:9.9.4-29.el7_2.1
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: bind

Vendor Advisories (1)

redhatCVE-2015-8000Important

bind: responses with a malformed class attribute can trigger an assertion failure in db.c

Dec 15, 2015

References

lists.fedoraproject.org / pipermail/package-announce/2015-December/174143.html
lists.fedoraproject.org / pipermail/package-announce/2015-December/174145.html
lists.fedoraproject.org / pipermail/package-announce/2015-December/174252.html
lists.fedoraproject.org / pipermail/package-announce/2015-December/174520.html
lists.opensuse.org / opensuse-security-announce/2015-12/msg00027.html
lists.opensuse.org / opensuse-security-announce/2015-12/msg00028.html
lists.opensuse.org / opensuse-security-announce/2015-12/msg00034.html
lists.opensuse.org / opensuse-security-announce/2015-12/msg00035.html
lists.opensuse.org / opensuse-security-announce/2015-12/msg00036.html
lists.opensuse.org / opensuse-security-announce/2015-12/msg00042.html
lists.opensuse.org / opensuse-security-announce/2016-01/msg00033.html
marc.info
Third Party Advisory
packetstormsecurity.com / files/134882/FreeBSD-Security-Advisory-BIND-Denial-Of-Service.html
rhn.redhat.com / errata/RHSA-2015-2655.html
rhn.redhat.com / errata/RHSA-2015-2656.html
rhn.redhat.com / errata/RHSA-2015-2658.html
rhn.redhat.com / errata/RHSA-2016-0078.html
rhn.redhat.com / errata/RHSA-2016-0079.html
blogs.sophos.com / 2016/02/17/utm-up2date-9-354-released
Patch
blogs.sophos.com / 2016/02/29/utm-up2date-9-319-released
Patch
h20564.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay
kb.isc.org / article/AA-01317
Vendor Advisory
kb.isc.org / article/AA-01380
Vendor Advisory
kb.isc.org / article/AA-01438
debian.org / security/2015/dsa-3420
oracle.com / technetwork/topics/security/bulletinoct2015-2511968.html
Third Party Advisory
oracle.com / technetwork/topics/security/linuxbulletinoct2015-2719645.html
Third Party Advisory
oracle.com / technetwork/topics/security/ovmbulletinjul2016-3090546.html
Third Party Advisory
securityfocus.com / bid/79349
securitytracker.com / id/1034418
slackware.com / security/viewer.php
ubuntu.com / usn/USN-2837-1