CVE-2016-4051 Memory corruption in n/a

What is CVE-2016-4051?

CVE-2016-4051 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 25 Apr 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Buffer overflow in cachemgr.cgi in Squid 2.x, 3.x before 3.5.17, and 4.x before 4.0.9 might allow remote attackers to cause a denial of service or execute arbitrary code by seeding manager reports with crafted data.

Weakness: CWE-119

Which versions are affected by CVE-2016-4051?

It affects 3 products.

Products include Canonical Ubuntu Linux, Oracle Linux, Squid-Cache Squid.

How do I fix CVE-2016-4051?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2016-4051 being exploited?

There is no known exploitation of CVE-2016-4051 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2016-4051, GHSA-ggh7-xm84-5v2g, MGASA-2016-0148, UBUNTU-CVE-2016-4051.