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.
References
| Link | Resource |
|---|---|
| https://github.com/janet-lang/janet/ | Product |
| https://github.com/janet-lang/janet/commit/c43e06672cd9dacf2122c99f362120a17c34b391 | Patch |
| https://github.com/janet-lang/janet/issues/1700 | Exploit Issue Tracking |
| https://github.com/janet-lang/janet/issues/1702 | Exploit Issue Tracking |
| https://github.com/oneafter/0123/blob/main/ja2/repro | Exploit |
| https://vuldb.com/?ctiid.344981 | Permissions Required VDB Entry |
| https://vuldb.com/?id.344981 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.754495 | Third Party Advisory VDB Entry |
Configurations
History
25 Feb 2026, 14:36
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Janet-lang janet
Janet-lang |
|
| References | () https://github.com/janet-lang/janet/ - Product | |
| References | () https://github.com/janet-lang/janet/commit/c43e06672cd9dacf2122c99f362120a17c34b391 - Patch | |
| References | () https://github.com/janet-lang/janet/issues/1700 - Exploit, Issue Tracking | |
| References | () https://github.com/janet-lang/janet/issues/1702 - Exploit, Issue Tracking | |
| References | () https://github.com/oneafter/0123/blob/main/ja2/repro - Exploit | |
| References | () https://vuldb.com/?ctiid.344981 - Permissions Required, VDB Entry | |
| References | () https://vuldb.com/?id.344981 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/?submit.754495 - Third Party Advisory, VDB Entry | |
| Summary |
|
|
| CPE | cpe:2.3:a:janet-lang:janet:*:*:*:*:*:*:*:* |
09 Feb 2026, 18:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-02-09 18:16
Updated : 2026-02-25 14:36
NVD link : CVE-2026-2242
Mitre link : CVE-2026-2242
CVE.ORG link : CVE-2026-2242
JSON object : View
Products Affected
janet-lang
- janet
