CVE-2016-2571

Description

http.cc in Squid 3.x before 3.5.15 and 4.x before 4.0.7 proceeds with the storage of certain data after a response-parsing failure, which allows remote HTTP servers to cause a denial of service (assertion failure and daemon exit) via a malformed response.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 24.82% Top 5%
Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory squid-cache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://usn.ubuntu.com/3557-1/ vendor advisory
https://security.gentoo.org/glsa/201607-01 vendor advisory
http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-13990.patch
http://www.squid-cache.org/Advisories/SQUID-2016_2.txt vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html vendor advisory
http://www.debian.org/security/2016/dsa-3522 vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-2600.html vendor advisory
http://www.squid-cache.org/Versions/v4/changesets/squid-4-14548.patch
http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html vendor advisory
http://www.openwall.com/lists/oss-security/2016/02/26/2 mailing list
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html vendor advisory
http://www.securitytracker.com/id/1035101 vdb entry
http://www.ubuntu.com/usn/USN-2921-1 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-2571?
CVE-2016-2571 has been scored as a high severity vulnerability.
How to fix CVE-2016-2571?
To fix CVE-2016-2571, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-2571 being actively exploited in the wild?
It is possible that CVE-2016-2571 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~25% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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