CVE-2026-2242

A vulnerability was determined in janet-lang janet up to 1.40.1. This impacts the function janetc_if of the file src/core/specials.c. Executing a manipulation can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. This patch is called c43e06672cd9dacf2122c99f362120a17c34b391. It is advisable to implement a patch to correct this issue.

Score

CVSS 3.1 6.1 Medium

Status

Analyzed - cna@vuldb.com

Published

2026-02-09

Last modified

2026-02-23

Weaknesses

CWE-119, CWE-125

Affected products

• Janet (Janet-lang)

References

• https://github.com/janet-lang/janet/
• https://github.com/janet-lang/janet/commit/c43e06672cd9dacf2122c99f362120a17c34b391
• https://github.com/janet-lang/janet/issues/1700
• https://github.com/janet-lang/janet/issues/1702
• https://github.com/oneafter/0123/blob/main/ja2/repro
• https://vuldb.com/?ctiid.344981
• https://vuldb.com/?id.344981
• https://vuldb.com/?submit.754495