CVE-2013-2266

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.

Category

7.8
CVSS
Severity: High
CVSS 2.0 •
EPSS 41.45% Top 5%
Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory fedoraproject.org Vendor Advisory marc.info Vendor Advisory redhat.com Vendor Advisory apple.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory isc.org Vendor Advisory isc.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://kb.isc.org/article/AA-00871/
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101603.html vendor advisory
http://linux.oracle.com/errata/ELSA-2014-1244
http://rhn.redhat.com/errata/RHSA-2013-0689.html vendor advisory
http://www.isc.org/software/bind/advisories/cve-2013-2266 vendor advisory
https://kb.isc.org/article/AA-00879/ vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101500.html vendor advisory
http://marc.info/?l=bugtraq&m=136804614120794&w=2 vendor advisory
http://www.securityfocus.com/bid/58736 vdb entry
http://rhn.redhat.com/errata/RHSA-2013-0690.html vendor advisory
http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19579 vdb entry signature
http://www.debian.org/security/2013/dsa-2656 vendor advisory
http://support.apple.com/kb/HT5880
http://www.ubuntu.com/usn/USN-1783-1 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-2266?
CVE-2013-2266 has been scored as a high severity vulnerability.
How to fix CVE-2013-2266?
To fix CVE-2013-2266, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-2266 being actively exploited in the wild?
It is possible that CVE-2013-2266 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~41% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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