UpHeron
All vulnerabilities

Servers and applications

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 demonstrated by a memory-exhaustion attack against a machine running a named process.

Severity
High 7.8
Published
28 Mar 2013
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
43% in the next 30 daysHigher than 98% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
Over the network · No login needed
Attacker can
Take it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Sources
NVD

Affected software

SoftwareAffected versions
BIND 9Servers and applications · cpe:a:isc:bind
  • Version 9.9.3
  • Version 9.9.3-b1
  • Version 9.9.2
  • Version 9.9.1-p2
All 68 release lines
  • Version 9.7.0-b1
  • Version 9.7.0-rc1
  • Version 9.7.0-rc2
  • Version 9.7.0
  • Version 9.7.0-p1
  • Version 9.7.0-p2
  • Version 9.7.1-rc1
  • Version 9.7.1
  • Version 9.7.1-p1
  • Version 9.7.1-p2
  • Version 9.7.2-rc1
  • Version 9.7.2
  • Version 9.7.2-p1
  • Version 9.7.2-p2
  • Version 9.7.2-p3
  • Version 9.7.3-b1
  • Version 9.7.3-rc1
  • Version 9.7.3
  • Version 9.7.3-p1
  • Version 9.7.4-b1
  • Version 9.7.4-rc1
  • Version 9.7.4
  • Version 9.7.4-p1
  • Version 9.7.5-b1
  • Version 9.7.5-rc1
  • Version 9.7.5-rc2
  • Version 9.7.5
  • Version 9.7.6
  • Version 9.7.6-p1
  • Version 9.7.6-p2
  • Version 9.8.0-a1
  • Version 9.8.0-b1
  • Version 9.8.0-rc1
  • Version 9.8.0
  • Version 9.8.0-p1
  • Version 9.8.0-p2
  • Version 9.8.0-p4
  • Version 9.8.1-b1
  • Version 9.8.1-b2
  • Version 9.8.1-b3
  • Version 9.8.1-rc1
  • Version 9.8.1
  • Version 9.8.1-p1
  • Version 9.8.2-b1
  • Version 9.8.2-rc1
  • Version 9.8.2-rc2
  • Version 9.8.3
  • Version 9.8.3-p1
  • Version 9.8.3-p2
  • Version 9.8.4
  • Version 9.8.5-b1
  • Version 9.8.5
  • Version 9.9.0-a1
  • Version 9.9.0-a2
  • Version 9.9.0-a3
  • Version 9.9.0-b1
  • Version 9.9.0-b2
  • Version 9.9.0-rc1
  • Version 9.9.0-rc2
  • Version 9.9.0-rc3
  • Version 9.9.0-rc4
  • Version 9.9.0
  • Version 9.9.1
  • Version 9.9.1-p1
  • Version 9.9.1-p2
  • Version 9.9.2
  • Version 9.9.3-b1
  • Version 9.9.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2013-2266
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2013-2266