All vulnerabilities

Servers and applications

CVE-2007-0493

Use-after-free vulnerability in ISC BIND 9.3.0 up to 9.3.3, 9.4.0a1 up to 9.4.0a6, 9.4.0b1 up to 9.4.0b4, 9.4.0rc1, and 9.5.0a1 (Bind Forum only) allows remote attackers to cause a denial of service (named daemon crash) via unspecified vectors that cause named to "dereference a freed fetch context."

Severity
High 7.8
Published
25 Jan 2007
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
13% in the next 30 daysHigher than 96% of CVEs. EPSS by FIRST, 12 Nov 2026
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 9.3.0
  • Version 9.3.1
  • Version 9.3.2
  • Version 9.4.0-rc1
  • Version 9.4.0
  • Version 9.5.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2007-0493
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2007-0493