CVE-2026-2240

Low

Description

A vulnerability has been found in janet-lang janet up to 1.40.1. The impacted element is the function janetc_pop_funcdef of the file src/core/compile.c. Such manipulation leads to out-of-bounds read. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The name of the patch is 4dd08a4cdef5b1c42d9a2c19fc24412e97ef51d5. A patch should be applied to remediate this issue.

SeverityLow
CVSS3.3
Exploit probability—
ProductJanet
PublishedFeb 9, 2026
First seenFeb 9, 2026

How to fix

Affected products

ProductAffected versionsFixed in
janet-lang janetv ≤ 1.40.1—

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CVE-2026-2240 · Janet · Dark Radar