CVE-2011-4096

Publication date 17 November 2011

Last updated 24 July 2024

Ubuntu priority

Description

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
squid3	11.10 oneiric	Fixed 3.1.14-1ubuntu0.1
	11.04 natty	Fixed 3.1.11-1ubuntu0.1
	10.10 maverick	Fixed 3.1.6-1.1ubuntu1.2
	10.04 LTS lucid	Not affected
	8.04 LTS hardy	Not affected

How can I get the fixes?
What do statuses mean?
Patch details

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
squid3	Vendor: https://rhn.redhat.com/errata/RHSA-2011-1791.html Vendor: http://www.debian.org/security/2012/dsa-2381

References

MITRE
NVD
Launchpad
Debian

Other references

https://www.cve.org/CVERecord?id=CVE-2011-4096