CVE-2026-2241

A vulnerability was found in janet-lang janet up to 1.40.1. This affects the function os_strftime of the file src/core/os.c. Performing a manipulation results in out-of-bounds read. The attack must be initiated from a local position. The exploit has been made public and could be used. The patch is named 0f285855f0e34f9183956be5f16e045f54626bff. To fix this issue, it is recommended to deploy a patch.
Configurations

Configuration 1 (hide)

cpe:2.3:a:janet-lang:janet:*:*:*:*:*:*:*:*

History

25 Feb 2026, 14:40

Type Values Removed Values Added
CPE cpe:2.3:a:janet-lang:janet:*:*:*:*:*:*:*:*
First Time Janet-lang janet
Janet-lang
Summary
  • (es) Se encontró una vulnerabilidad en janet-lang janet hasta 1.40.1. Esto afecta a la función os_strftime del archivo src/core/os.c. Realizar una manipulación resulta en una lectura fuera de límites. El ataque debe iniciarse desde una posición local. El exploit se ha hecho público y podría utilizarse. El parche se llama 0f285855f0e34f9183956be5f16e045f54626bff. Para solucionar este problema, se recomienda desplegar un parche.
References () https://github.com/janet-lang/janet/ - () https://github.com/janet-lang/janet/ - Product
References () https://github.com/janet-lang/janet/commit/0f285855f0e34f9183956be5f16e045f54626bff - () https://github.com/janet-lang/janet/commit/0f285855f0e34f9183956be5f16e045f54626bff - Patch
References () https://github.com/janet-lang/janet/issues/1701 - () https://github.com/janet-lang/janet/issues/1701 - Exploit, Issue Tracking
References () https://github.com/janet-lang/janet/issues/1701#event-4446770461 - () https://github.com/janet-lang/janet/issues/1701#event-4446770461 - Exploit, Issue Tracking
References () https://github.com/oneafter/0123/blob/main/ja3/repro - () https://github.com/oneafter/0123/blob/main/ja3/repro - Exploit
References () https://vuldb.com/?ctiid.344980 - () https://vuldb.com/?ctiid.344980 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.344980 - () https://vuldb.com/?id.344980 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.753156 - () https://vuldb.com/?submit.753156 - Third Party Advisory, VDB Entry

09 Feb 2026, 18:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-02-09 18:16

Updated : 2026-02-25 14:40


NVD link : CVE-2026-2241

Mitre link : CVE-2026-2241

CVE.ORG link : CVE-2026-2241


JSON object : View

Products Affected

janet-lang

  • janet
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-125

Out-of-bounds Read