CVE-2016-5827 Memory corruption in n/a

High 7.5 Published 27 Jan 2017 Updated 6 Aug 2024

Remote attackers can cause a denial of service via out-of-bounds heap read in libical by sending crafted strings to the parser.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2016-5827?

CVE-2016-5827 is a high-severity memory corruption vulnerability in n/a, published on 27 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The icaltime_from_string function in libical 0.47 and 1.0 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted string to the icalparser_parse_string function.

Weakness: CWE-125

Which versions are affected by CVE-2016-5827?

It affects 1 product.

Products include Libical Project Libical.

How do I fix CVE-2016-5827?

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-2016-5827 being exploited?

There is no known exploitation of CVE-2016-5827 in the wild and no public exploit code.

Sources

Also known as GHSA-r9rv-6pgm-3cxf, UBUNTU-CVE-2016-5827.