CVE-2019-15717 Use after free in n/a
A use-after-free vulnerability in Irssi allows remote attackers to execute arbitrary code or cause a denial of service via a malicious IRC server response.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-15717?
CVE-2019-15717 is a critical use after free vulnerability in Canonical Ubuntu Linux, published on 29 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Irssi 1.2.x before 1.2.2 has a use-after-free if the IRC server sends a double CAP.
Weakness: CWE-416
Which versions are affected by CVE-2019-15717?
It affects 2 products.
Products include Canonical Ubuntu Linux, Irssi Irssi.
How do I fix CVE-2019-15717?
Upgrade to a fixed version.
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-2019-15717 being exploited?
There is no known exploitation of CVE-2019-15717 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2019-15717, DEBIAN-CVE-2019-15717, GHSA-gx32-945w-w9x4, MGASA-2019-0255.