5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
The idnsGrokReply function in Squid before 3.1.16 does not properly free memory, which allows remote attackers to cause a denial of service (daemon abort) via a DNS reply containing a CNAME record that references another CNAME record that contains an empty A record.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 9 | all | squid3 | < 3.5.23-5+deb9u1 | squid3_3.5.23-5+deb9u1_all.deb |