ISC BIND 9.7.1 through 9.7.2-P3, when configured as an authoritative server, allows remote attackers to cause a denial of service (deadlock…

published 2011-02-23 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-0440

cvss: 7.1; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 13.7%; EPSS 13.7% chance of exploitation in 30 days, percentile 96%
public exploits: 0; none known

ISC BIND 9.7.1 through 9.7.2-P3, when configured as an authoritative server, allows remote attackers to cause a denial of service (deadlock and daemon hang) by sending a query at the time of (1) an IXFR transfer or (2) a DDNS update.

Patch / fix

distros 2

debian opensuse

bind9 Debian 14, Debian 13, Debian 12 1:9.7.3.dfsg-1

debian advisories DEBIAN-CVE-2011-0414

bind openSUSE Tumbleweed 9.10.3P4-21.1

opensuse advisories openSUSE-SU-2024:10467-1

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-2011-0414 updated 2026-11-05 cvss 4.3

bind: named lockup with IXFR or DDNS update and a high query rate

Red Hat Enterprise Linux 6 bind, bind-sdb, bind-libs, bind-utils, bind-chroot
affected: no fix available
Red Hat Enterprise Linux 4 bind Red Hat Enterprise Linux 5 bind
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

13.68% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	7.1	AV:N/AC:M/Au:N/C:N/I:N/A:C

Classification

Weakness

CWE-399 Resource Management Errors

References

lists.opensuse.org /opensuse-security-announce/2011-04/msg00000.html
vendor-advisory
debian.org /security/2011/dsa-2208
vendor-advisory
ubuntu.com /usn/USN-1070-1
vendor-advisory
vupen.com /english/advisories/2011/0489
vdb-entry, vendor-advisory
isc.org /software/bind/advisories/cve-2011-0414
vendor-advisory
secunia.com /advisories/43443
third-party-advisory, vendor-advisory
vupen.com /english/advisories/2011/0466
vdb-entry, vendor-advisory
kb.cert.org /vuls/id/449980
third-party-advisory, us-government-resource
securitytracker.com /id?1025110
vdb-entry
bugzilla.redhat.com /show_bug.cgi?id=679496
kb.cert.org /vuls/id/559980
third-party-advisory, us-government-resource
secunia.com /advisories/43439
third-party-advisory

Sources

CVE List CVE-2011-0414
NVD CVE-2011-0414

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.

Summary