CVE-2022-0586 Denial of service in Wireshark
An infinite loop in the RTMPT dissector allows attackers to cause a denial of service via crafted packets or files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-0586?
CVE-2022-0586 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 14 Feb 2022. 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
Infinite loop in RTMPT protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file
Weakness: CWE-835
Which versions are affected by CVE-2022-0586?
It affects 3 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Wireshark Wireshark.
How do I fix CVE-2022-0586?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-0586 being exploited?
There is no known exploitation of CVE-2022-0586 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-8614, CLSA-2026-1777306004, CLSA-2026-1777369264, DEBIAN-CVE-2022-0586, GHSA-m236-5q24-77fq, UBUNTU-CVE-2022-0586.