CVE-2026-6424 Use-after-free vulnerability in ESET security products for Linux
An attacker can trigger a kernel panic in ESET Linux security products via a use-after-free vulnerability, causing system denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-6424?
CVE-2026-6424 is a medium-severity use after free vulnerability in ESET, spol. s.r.o. ESET Endpoint Antivirus for Linux, published on 16 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Use-after-free vulnerability in ESET Linux products potentially allowed an attacker to trigger kernel panic on the system
Weakness: CWE-416
Which versions are affected by CVE-2026-6424?
How do I fix CVE-2026-6424?
No fix has been published for CVE-2026-6424 yet. Limit exposure of the affected software until one is available.
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-2026-6424 being exploited?
There is no known exploitation of CVE-2026-6424 in the wild and no public exploit code.
Sources
Also known as GHSA-g4c4-fjm7-hv64.