CVE-2014-8500
HighISC BIND 9.0.x through 9.8.x, 9.9.0 through 9.9.6, and 9.10.0 through 9.10.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory consumption and named crash) via a large or infinite number of referrals.
Published Dec 11, 2014 · Updated Aug 11, 2026 · Also known as DEBIAN-CVE-2014-8500, DLA-112-1, DSA-3094-1, UBUNTU-CVE-2014-8500, USN-2437-1
Key Facts
Patch immediately- CVE-2014-8500 is a high-severity vulnerability (CVSS 7.8 v2) affecting Bind (Isc), bind9 (debian), rootio-bind9 and 22 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 58% probability of exploitation in the next 30 days.
- Fixed versions are available, including Bind 30:9.3.6-25.P1.el5_11.2, Bind 32:9.8.2-0.17.rc1.el6_4.7, Bind 32:9.8.2-0.30.rc1.35.amzn1.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
7.8
AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS (30-day exploit likelihood)
58%
Higher than 99.0% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2014-8500 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
ISC BIND 9.0.x through 9.8.x, 9.9.0 through 9.9.6, and 9.10.0 through 9.10.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory consumption and named crash) via a large or infinite number of referrals.
Affected Products
212 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| BindIsc | 9.0, 9.0.1, 9.1, 9.10.0, 9.10.1, 9.1.1, 9.1.2, 9.1.3 | 32:9.8.2-0.30.rc1.35.amzn1 |
| bind9debian | See advisory | 1:9.9.5.dfsg-7 |
| rootio-bind9rootio | See advisory | 1:9.9.5.dfsg-7 |
| bind-chrootamazon | See advisory | 32:9.8.2-0.30.rc1.35.amzn1 |
| bind-develamazon | See advisory | 32:9.8.2-0.30.rc1.35.amzn1 |
Patched Releases
Bind
30:9.3.6-25.P1.el5_11.2, 32:9.8.2-0.17.rc1.el6_4.7, 32:9.8.2-0.30.rc1.35.amzn1, 32:9.8.2-0.30.rc1.el6_6.1, 32:9.9.4-14.0.1.el7_0.1, 32:9.9.4-14.el7_0.1, 9.10.3P4-21.1, 9.6ESVR10P2-0.6.1, 9.9.4P2-0.6.1
bind-chroot
30:9.3.6-25.P1.el5_11.2, 32:9.8.2-0.30.rc1.35.amzn1, 32:9.8.2-0.30.rc1.el6_6.1, 32:9.9.4-14.0.1.el7_0.1
bind-chrootenv
9.10.3P4-21.1, 9.6ESVR10P2-0.6.1, 9.9.4P2-0.6.1
bind-devel
30:9.3.6-25.P1.el5_11.2, 32:9.8.2-0.30.rc1.35.amzn1, 32:9.8.2-0.30.rc1.el6_6.1, 32:9.9.4-14.0.1.el7_0.1, 9.10.3P4-21.1, 9.9.4P2-0.6.1, 9.9.6P1-0.5.5
bind-devel-32bit
9.10.3P4-21.1, 9.9.4P2-0.6.1
bind-doc
9.10.3P4-21.1, 9.6ESVR10P2-0.6.1, 9.9.4P2-0.6.1
bind-libbind-devel
30:9.3.6-25.P1.el5_11.2
bind-libs
30:9.3.6-25.P1.el5_11.2, 32:9.8.2-0.30.rc1.35.amzn1, 32:9.8.2-0.30.rc1.el6_6.1, 32:9.9.4-14.0.1.el7_0.1, 9.6ESVR10P2-0.6.1, 9.9.4P2-0.6.1
bind-libs-32bit
9.6ESVR10P2-0.6.1, 9.9.4P2-0.6.1
bind-libs-lite
32:9.9.4-14.0.1.el7_0.1
bind-libs-x86
9.9.4P2-0.6.1
bind-license
32:9.9.4-14.0.1.el7_0.1
bind-lite-devel
32:9.9.4-14.0.1.el7_0.1
bind-lwresd
9.10.3P4-21.1
bind-sdb
30:9.3.6-25.P1.el5_11.2, 32:9.8.2-0.30.rc1.35.amzn1, 32:9.8.2-0.30.rc1.el6_6.1, 32:9.9.4-14.0.1.el7_0.1
bind-sdb-chroot
32:9.9.4-14.0.1.el7_0.1
bind-utils
30:9.3.6-25.P1.el5_11.2, 32:9.8.2-0.30.rc1.35.amzn1, 32:9.8.2-0.30.rc1.el6_6.1, 32:9.9.4-14.0.1.el7_0.1, 9.10.3P4-21.1, 9.6ESVR10P2-0.6.1, 9.9.4P2-0.6.1
bind9
1:9.7.3.dfsg-1~squeeze13, 1:9.8.4.dfsg.P1-6+nmu2+deb7u3, 1:9.9.5.dfsg-3ubuntu0.1, 1:9.9.5.dfsg-7
bind97
32:9.7.0-21.P2.el5_11.1
bind97-chroot
32:9.7.0-21.P2.el5_11.1
bind97-devel
32:9.7.0-21.P2.el5_11.1
bind97-libs
32:9.7.0-21.P2.el5_11.1
bind97-utils
32:9.7.0-21.P2.el5_11.1
caching-nameserver
30:9.3.6-25.P1.el5_11.2
idnkit
1.0-21.1
Timeline
Publicly disclosed
Dec 11, 2014
Last updated
Aug 11, 2026
Weakness Type
- CWE-399
- CWE-400 Uncontrolled Resource Consumption
References
- advisoryhttp://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html
- advisoryRHSA-2014:1984
- advisoryRHSA-2014:1985
- advisoryRHSA-2016:0078
- advisoryhttps://kb.isc.org/article/AA-01216/
FAQ
Common Questions.
ISC BIND 9.0.x through 9.8.x, 9.9.0 through 9.9.6, and 9.10.0 through 9.10.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory consumption and named crash) via a large or infinite number of referrals.
Affected: Bind (Isc) versions 9.0, 9.0.1, 9.1, 9.10.0, 9.10.1, 9.1.1, 9.1.2, 9.1.3; bind9 (debian); rootio-bind9, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Bind 30:9.3.6-25.P1.el5_11.2, Bind 32:9.8.2-0.17.rc1.el6_4.7, Bind 32:9.8.2-0.30.rc1.35.amzn1.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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