CVE-2022-26291 Use after free in n/a
Attackers can cause a Denial of Service in lrzip by providing a crafted Irz file that triggers a use-after-free condition.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-26291?
CVE-2022-26291 is a medium-severity use after free vulnerability in Debian Debian Linux, published on 28 Mar 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
lrzip v0.641 was discovered to contain a multiple concurrency use-after-free between the functions zpaq_decompress_buf() and clear_rulist(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted Irz file.
Weakness: CWE-416
Which versions are affected by CVE-2022-26291?
It affects 2 products.
Products include Debian Debian Linux, Long Range Zip Project Long Range Zip.
How do I fix CVE-2022-26291?
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-2022-26291 being exploited?
There is no known exploitation of CVE-2022-26291 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2022-26291, GHSA-65qg-fhgm-59fj, UBUNTU-CVE-2022-26291.