CVE-2026-2242

LOW 3.3

janet-lang janet specials.c janetc_if out-of-bounds

CVSS Score

3.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-125 CWE-119
Vendor	janet-lang
Product	janet
Published	Feb 9, 2026
Last Updated	Feb 23, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

janet-lang / janet

1.40.0 1.40.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 Oneafter (VulDB User)