|Date: (C)2010-02-03 (M)2017-09-22|
|CVSS Score: 4.0||Access Vector: NETWORK|
|Exploitability Subscore: 8.0||Access Complexity: LOW|
|Impact Subscore: 2.9||Authentication: SINGLE_INSTANCE|
| ||Confidentiality: NONE|
| ||Integrity: NONE|
| ||Availability: PARTIAL|
lib/rfc1035.c in Squid 2.x, 3.0 through 3.0.STABLE22, and 3.1 through 220.127.116.11 allows remote attackers to cause a denial of service (assertion failure) via a crafted DNS packet that only contains a header.