VULNERABILITY INTELLIGENCE
CVE-2007-2926
CVSS score4.3 MEDIUM
EPSS probability13.09%
CISA KEVNot currently listed
Published2007-07-24
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:P/A:N
Description
ISC BIND 9 through 9.5.0a5 uses a weak random number generator during generation of DNS query ids when answering resolver questions or sending NOTIFY messages to slave name servers, which makes it easier for remote attackers to guess the next query id and perform DNS cache poisoning.