CVE-2013-2266
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 42.9%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 42.85% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- isc/bind
- Source
- cve@mitre.org
EPSS 42.9% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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-2013-2266Vendor Advisory
- http://www.securityfocus.com/bid/58736
- http://www.ubuntu.com/usn/USN-1783-1
- https://kb.isc.org/article/AA-00871/
- https://kb.isc.org/article/AA-00879/Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19579
- 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-2013-2266Vendor Advisory
- http://www.securityfocus.com/bid/58736
- http://www.ubuntu.com/usn/USN-1783-1
- https://kb.isc.org/article/AA-00871/
- https://kb.isc.org/article/AA-00879/Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19579
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.