CVE-2026-2240 – janet-lang janet compile.c janetc_pop_funcdef out-of-bounds

CVE ID : CVE-2026-2240

Published : Feb. 9, 2026, 4:16 p.m. | 1 hour, 3 minutes ago

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.

Severity: 4.8 | MEDIUM

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