CVE-2013-2266

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 42.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-03-28 · updated 2026-06-16
Weakness: CWE-119

Description

libdns in ISC BIND 9.7.x and 9.8.x before 9.8.4-P2, 9.8.5 before 9.8.5b2, 9.9.x before 9.9.2-P2, and 9.9.3 before 9.9.3b2 on UNIX platforms allows remote attackers to cause a denial of service (memory consumption) via a crafted regular expression, as demonstrated by a memory-exhaustion attack against a machine running a named process.

Affected products

ISC BIND: 9.9.0, 9.9.0-a1, 9.9.0-a2, 9.9.0-a3, 9.9.0-b1, 9.9.0-b2 (+62)

References

http://linux.oracle.com/errata/ELSA-2014-1244
http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101500.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101603.html
http://marc.info/?l=bugtraq&m=136804614120794&w=2
http://rhn.redhat.com/errata/RHSA-2013-0689.html
http://rhn.redhat.com/errata/RHSA-2013-0690.html
http://support.apple.com/kb/HT5880
http://www.debian.org/security/2013/dsa-2656
http://www.isc.org/software/bind/advisories/cve-2013-2266
http://www.securityfocus.com/bid/58736
http://www.ubuntu.com/usn/USN-1783-1

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