U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-2241 Detail

Description

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulDB
CVSS-BT 4.8 MEDIUM
Vector:  CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to [email protected].

URL Source(s) Tag(s)
https://github.com/janet-lang/janet/ VulDB
https://github.com/janet-lang/janet/commit/0f285855f0e34f9183956be5f16e045f54626bff VulDB
https://github.com/janet-lang/janet/issues/1701 VulDB
https://github.com/janet-lang/janet/issues/1701#event-4446770461 VulDB
https://github.com/oneafter/0123/blob/main/ja3/repro VulDB
https://vuldb.com/?ctiid.344980 VulDB
https://vuldb.com/?id.344980 VulDB
https://vuldb.com/?submit.753156 VulDB

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer VulDB  
CWE-125 Out-of-bounds Read VulDB  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-2241
NVD Published Date:
02/09/2026
NVD Last Modified:
02/09/2026
Source:
VulDB