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Fencer Vulns
medium 4.3

CVE-2009-0696 json

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 2009-07-29 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0696

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.6%
EPSS 12.6% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

  • bind9 Debian 14, Debian 13, Debian 12 1:9.6.1.dfsg.P1-1

debian advisories DEBIAN-CVE-2009-0696

  • bind RHEL 3 20:9.2.4-25.el3
  • bind-libs RHEL 3 20:9.2.4-25.el3
  • bind-utils RHEL 3 20:9.2.4-25.el3
  • bind-chroot RHEL 3 20:9.2.4-25.el3
  • bind RHEL 4 20:9.2.4-30.el4_8.4
  • bind-libs RHEL 4 20:9.2.4-30.el4_8.4
  • bind-utils RHEL 4 20:9.2.4-30.el4_8.4
  • bind-chroot RHEL 4 20:9.2.4-30.el4_8.4

red hat advisories RHSA-2009:1181RHSA-2009:1180RHSA-2009:1179

  • 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-2009-0696 updated cvss 5.0

bind: DoS (assertion failure) via nsupdate packets

  • Red Hat Desktop version 3 bind 9.2.4-25.el3, bind-libs 9.2.4-25.el3, bind-utils 9.2.4-25.el3, bind-chroot 9.2.4-25.el3
    fixed: vendor fix RHSA-2009:1181
  • Red Hat Enterprise Linux (v. 5 server) bind 9.3.4-10.P1.el5_3.3, bind-sdb 9.3.4-10.P1.el5_3.3, bind-libs 9.3.4-10.P1.el5_3.3, bind-utils 9.3.4-10.P1.el5_3.3, bind-chroot 9.3.4-10.P1.el5_3.3, caching-nameserver 9.3.4-10.P1.el5_3.3
    fixed: vendor fix RHSA-2009:1179
  • Red Hat Enterprise Linux AS version 3 bind 9.2.4-25.el3, bind-libs 9.2.4-25.el3, bind-utils 9.2.4-25.el3, bind-chroot 9.2.4-25.el3
    fixed: vendor fix RHSA-2009:1181
  • Red Hat Enterprise Linux AS version 4 bind 9.2.4-30.el4_8.4, bind-libs 9.2.4-30.el4_8.4, bind-utils 9.2.4-30.el4_8.4, bind-chroot 9.2.4-30.el4_8.4
    fixed: vendor fix RHSA-2009:1180
  • Red Hat Enterprise Linux Desktop (v. 5 client) bind 9.3.4-10.P1.el5_3.3, bind-sdb 9.3.4-10.P1.el5_3.3, bind-libs 9.3.4-10.P1.el5_3.3, bind-utils 9.3.4-10.P1.el5_3.3, bind-chroot 9.3.4-10.P1.el5_3.3, caching-nameserver 9.3.4-10.P1.el5_3.3
    fixed: vendor fix RHSA-2009:1179
  • Red Hat Enterprise Linux Desktop version 4 bind 9.2.4-30.el4_8.4, bind-libs 9.2.4-30.el4_8.4, bind-utils 9.2.4-30.el4_8.4, bind-chroot 9.2.4-30.el4_8.4
    fixed: vendor fix RHSA-2009:1180
  • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) bind 9.3.4-10.P1.el5_3.3, bind-sdb 9.3.4-10.P1.el5_3.3, bind-libs 9.3.4-10.P1.el5_3.3, bind-utils 9.3.4-10.P1.el5_3.3, bind-chroot 9.3.4-10.P1.el5_3.3, caching-nameserver 9.3.4-10.P1.el5_3.3
    fixed: vendor fix RHSA-2009:1179
  • Red Hat Enterprise Linux ES version 3 bind 9.2.4-25.el3, bind-libs 9.2.4-25.el3, bind-utils 9.2.4-25.el3, bind-chroot 9.2.4-25.el3
    fixed: vendor fix RHSA-2009:1181
show 3 more
  • Red Hat Enterprise Linux ES version 4 bind 9.2.4-30.el4_8.4, bind-libs 9.2.4-30.el4_8.4, bind-utils 9.2.4-30.el4_8.4, bind-chroot 9.2.4-30.el4_8.4
    fixed: vendor fix RHSA-2009:1180
  • Red Hat Enterprise Linux WS version 3 bind 9.2.4-25.el3, bind-libs 9.2.4-25.el3, bind-utils 9.2.4-25.el3, bind-chroot 9.2.4-25.el3
    fixed: vendor fix RHSA-2009:1181
  • Red Hat Enterprise Linux WS version 4 bind 9.2.4-30.el4_8.4, bind-libs 9.2.4-30.el4_8.4, bind-utils 9.2.4-30.el4_8.4, bind-chroot 9.2.4-30.el4_8.4
    fixed: vendor fix RHSA-2009:1180

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

Timeline

  1. Published
  2. First public exploit (EDB-9300)

Exploit prediction

12.65% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-9300 ISC BIND 9 - Remote Dynamic Update Message Denial of Service (PoC) dos, 2009-07-30

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns 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.