CVE-2021-39230

MEDIUM 6.5CVE-2021-39230 · Published 21/09/2021 · updated 17/06/2026

In short

CVE-2021-39230 is a MEDIUM (CVSS 6.5) vulnerability affecting butter (butter project).
Chance of exploitation in the next 30 days (EPSS): 0.76%, higher than 55.6% of all vulnerabilities.
Fix: update to 1.5 or later.

Package	Affected versions	Patched versions
butter butter_project	`< 1.5`	`1.5`

Description

Butter is a system usability utility. Due to a kernel error the JPNS kernel is being discontinued. Affected users are recommend to update to the Trinity kernel. There are no workarounds.

References

FrankEnderman/Butter commit a4fd717 · Patch
FrankEnderman/Butter security advisory · Third Party Advisory

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