CVE-2016-9584 Use after free in n/a

Critical 9.1 Published 18 Jan 2017 Updated 6 Aug 2024

Remote attackers can cause denial of service and potentially read heap memory via a crafted ICS file in the libical library.

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

What is CVE-2016-9584?

CVE-2016-9584 is a critical use after free vulnerability in n/a, published on 18 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

libical allows remote attackers to cause a denial of service (use-after-free) and possibly read heap memory via a crafted ics file.

Weakness: CWE-416

Which versions are affected by CVE-2016-9584?

It affects 1 product.

Products include Libical Project Libical.

How do I fix CVE-2016-9584?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2016-9584 being exploited?

There is no known exploitation of CVE-2016-9584 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2016-9584, GHSA-hcxq-m379-hxr9, UBUNTU-CVE-2016-9584.