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Servers and applications

CVE-2000-0335

The resolver in glibc 2.1.3 uses predictable IDs, which allows a local attacker to spoof DNS query results.

Severity
High 7.5
Published
3 May 2000
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.6% in the next 30 daysHigher than 75% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
GNU C LibraryServers and applications · cpe:a:gnu:glibc
  • Version 2.0
  • Version 2.1
  • Version 2.1.1
  • Version 2.1.2
  • Version 2.1.3
BIND 9Servers and applications · cpe:a:isc:bind
  • Version 8.2
  • Version 8.2.1
  • Version 8.2.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2000-0335
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2000-0335