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OpenAdvisories
Unscored Public exploit CVE-2009-0696 EUVD-2009-0696GHSA-54q7-wf84-v94r

The dns_db_findrdataset function in db.c in named in ISC BIND 9.4 before 9.4.3-P3, 9.5 before 9.5.1-P3, and 9.6 before 9.6.1-P1, when confi…

Published Jul 29, 2009 · Updated Dec 23, 2025 · Assigned by certcc

Package: bind9 Ecosystem: Debian

Description

The dns_db_findrdataset function in db.c in named in ISC BIND 9.4 before 9.4.3-P3, 9.5 before 9.5.1-P3, and 9.6 before 9.6.1-P1, when configured as a master server, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via an ANY record in the prerequisite section of a crafted dynamic update message.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Debian

Security tracker ↗
ReleasePackageFixed inAdvisory
Debian 14 bind9 1:9.6.1.dfsg.P1-1 —
Debian 13 bind9 1:9.6.1.dfsg.P1-1 —
Debian 12 bind9 1:9.6.1.dfsg.P1-1 —
Debian 5.0 bind9 1:9.5.1.dfsg.P3-1 DSA-1847-1
Debian 4.0 bind9 1:9.3.4-2etch5 DSA-1847-1

Red Hat

Security tracker ↗
ReleasePackageFixed inAdvisory
RHEL 5 bind +7 30:9.3.4-10.P1.el5_3.3 RHSA-2009:1179
RHEL 4 bind +4 20:9.2.4-30.el4_8.4 RHSA-2009:1180
RHEL 3 bind +4 20:9.2.4-25.el3 RHSA-2009:1181

openSUSE

Security tracker ↗
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed bind 9.10.3P4-21.1 openSUSE-SU-2024:10467-1

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Exploit-DB 1

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 5

References