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Fencer Intel
high 7.8

CVE-2012-5688 in the critical feed json

ISC BIND 9.8.x before 9.8.4-P1 and 9.9.x before 9.9.2-P1, when DNS64 is enabled, allows remote attackers to cause a denial of service (asse…

published 2012-12-06 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-5571

cvss
7.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
10.9%
EPSS 10.9% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

ISC BIND 9.8.x before 9.8.4-P1 and 9.9.x before 9.9.2-P1, when DNS64 is enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted query.

Patch / fix

  • bind9 Debian 14, Debian 13, Debian 12 1:9.8.4.dfsg.P1-1

debian advisories DEBIAN-CVE-2012-5688

  • bind RHEL 6 32:9.8.2-0.10.rc1.el6_3.6
  • bind-sdb RHEL 6 32:9.8.2-0.10.rc1.el6_3.6
  • bind-libs RHEL 6 32:9.8.2-0.10.rc1.el6_3.6
  • bind-utils RHEL 6 32:9.8.2-0.10.rc1.el6_3.6
  • bind-chroot RHEL 6 32:9.8.2-0.10.rc1.el6_3.6

red hat advisories RHSA-2012:1549

  • 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-2012-5688 updated cvss 4.3

bind: DoS on servers using DNS64

  • Red Hat Enterprise Linux Desktop (v. 6) bind 9.8.2-0.10.rc1.el6_3.6, bind-libs 9.8.2-0.10.rc1.el6_3.6, bind-utils 9.8.2-0.10.rc1.el6_3.6 Red Hat Enterprise Linux Desktop Optional (v. 6) bind 9.8.2-0.10.rc1.el6_3.6, bind-sdb 9.8.2-0.10.rc1.el6_3.6, bind-chroot 9.8.2-0.10.rc1.el6_3.6 Red Hat Enterprise Linux HPC Node (v. 6) bind 9.8.2-0.10.rc1.el6_3.6, bind-libs 9.8.2-0.10.rc1.el6_3.6, bind-utils 9.8.2-0.10.rc1.el6_3.6 Red Hat Enterprise Linux HPC Node Optional (v. 6) bind 9.8.2-0.10.rc1.el6_3.6, bind-sdb 9.8.2-0.10.rc1.el6_3.6, bind-chroot 9.8.2-0.10.rc1.el6_3.6 Red Hat Enterprise Linux Server (v. 6) bind 9.8.2-0.10.rc1.el6_3.6, bind-libs 9.8.2-0.10.rc1.el6_3.6, bind-utils 9.8.2-0.10.rc1.el6_3.6, bind-chroot 9.8.2-0.10.rc1.el6_3.6 Red Hat Enterprise Linux Server Optional (v. 6) bind 9.8.2-0.10.rc1.el6_3.6, bind-sdb 9.8.2-0.10.rc1.el6_3.6
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 6) bind 9.8.2-0.10.rc1.el6_3.6, bind-libs 9.8.2-0.10.rc1.el6_3.6, bind-utils 9.8.2-0.10.rc1.el6_3.6, bind-chroot 9.8.2-0.10.rc1.el6_3.6 Red Hat Enterprise Linux Workstation Optional (v. 6) bind 9.8.2-0.10.rc1.el6_3.6, bind-sdb 9.8.2-0.10.rc1.el6_3.6
    fixed: vendor fix RHSA-2012:1549
  • Red Hat Enterprise Linux 4 bind Red Hat Enterprise Linux 5 bind, bind97
    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

10.90% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

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.