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.
2011-11-17T19:55:01.453
2025-04-11T00:51:21.963
Deferred
CVSSv2: 5.0 (MEDIUM)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | squid-cache | squid | ≤ 3.1.15 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0 | Yes |
| Application | squid-cache | squid | 3.0.stable1 | Yes |
| Application | squid-cache | squid | 3.0.stable2 | Yes |
| Application | squid-cache | squid | 3.0.stable3 | Yes |
| Application | squid-cache | squid | 3.0.stable4 | Yes |
| Application | squid-cache | squid | 3.0.stable5 | Yes |
| Application | squid-cache | squid | 3.0.stable6 | Yes |
| Application | squid-cache | squid | 3.0.stable7 | Yes |
| Application | squid-cache | squid | 3.0.stable8 | Yes |
| Application | squid-cache | squid | 3.0.stable9 | Yes |
| Application | squid-cache | squid | 3.0.stable10 | Yes |
| Application | squid-cache | squid | 3.0.stable11 | Yes |
| Application | squid-cache | squid | 3.0.stable11 | Yes |
| Application | squid-cache | squid | 3.0.stable12 | Yes |
| Application | squid-cache | squid | 3.0.stable13 | Yes |
| Application | squid-cache | squid | 3.0.stable14 | Yes |
| Application | squid-cache | squid | 3.0.stable15 | Yes |
| Application | squid-cache | squid | 3.0.stable16 | Yes |
| Application | squid-cache | squid | 3.0.stable16 | Yes |
| Application | squid-cache | squid | 3.0.stable17 | Yes |
| Application | squid-cache | squid | 3.0.stable18 | Yes |
| Application | squid-cache | squid | 3.0.stable19 | Yes |
| Application | squid-cache | squid | 3.0.stable20 | Yes |
| Application | squid-cache | squid | 3.0.stable21 | Yes |
| Application | squid-cache | squid | 3.0.stable22 | Yes |
| Application | squid-cache | squid | 3.0.stable23 | Yes |
| Application | squid-cache | squid | 3.0.stable24 | Yes |
| Application | squid-cache | squid | 3.0.stable25 | Yes |
| Application | squid-cache | squid | 3.1 | Yes |
| Application | squid-cache | squid | 3.1.0.1 | Yes |
| Application | squid-cache | squid | 3.1.0.2 | Yes |
| Application | squid-cache | squid | 3.1.0.3 | Yes |
| Application | squid-cache | squid | 3.1.0.4 | Yes |
| Application | squid-cache | squid | 3.1.0.5 | Yes |
| Application | squid-cache | squid | 3.1.0.6 | Yes |
| Application | squid-cache | squid | 3.1.0.7 | Yes |
| Application | squid-cache | squid | 3.1.0.8 | Yes |
| Application | squid-cache | squid | 3.1.0.9 | Yes |
| Application | squid-cache | squid | 3.1.0.10 | Yes |
| Application | squid-cache | squid | 3.1.0.11 | Yes |
| Application | squid-cache | squid | 3.1.0.12 | Yes |
| Application | squid-cache | squid | 3.1.0.13 | Yes |
| Application | squid-cache | squid | 3.1.0.14 | Yes |
| Application | squid-cache | squid | 3.1.0.15 | Yes |
| Application | squid-cache | squid | 3.1.0.16 | Yes |
| Application | squid-cache | squid | 3.1.0.17 | Yes |
| Application | squid-cache | squid | 3.1.0.18 | Yes |
| Application | squid-cache | squid | 3.1.1 | Yes |
| Application | squid-cache | squid | 3.1.2 | Yes |
| Application | squid-cache | squid | 3.1.3 | Yes |
| Application | squid-cache | squid | 3.1.4 | Yes |
| Application | squid-cache | squid | 3.1.5 | Yes |
| Application | squid-cache | squid | 3.1.5.1 | Yes |
| Application | squid-cache | squid | 3.1.6 | Yes |
| Application | squid-cache | squid | 3.1.7 | Yes |
| Application | squid-cache | squid | 3.1.8 | Yes |
| Application | squid-cache | squid | 3.1.9 | Yes |
| Application | squid-cache | squid | 3.1.10 | Yes |
| Application | squid-cache | squid | 3.1.11 | Yes |
| Application | squid-cache | squid | 3.1.12 | Yes |
| Application | squid-cache | squid | 3.1.13 | Yes |
| Application | squid-cache | squid | 3.1.14 | Yes |