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…
- 7.8HighCVSS base score
- 42.9%Exploitation in 30 daysEPSS · top 1.3% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
- 35 days later
· 35 days later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 42.9% · top 1.3% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
n/a
- affected n/a
References
References15
- https://kb.isc.org/article/AA-00871/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2013-4533 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- http://linux.oracle.com/errata/ELSA-2014-1244 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2013:0689 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://www.isc.org/software/bind/advisories/cve-2013-2266 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://kb.isc.org/article/AA-00879/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2013-4525 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- HPSBUX02876 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- 58736 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2013:0690 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- APPLE-SA-2013-09-12-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- oval:org.mitre.oval:def:19579 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- DSA-2656 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- http://support.apple.com/kb/HT5880 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-1783-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2013-2212 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2013-2266)Record last updated .