CVE-2026-2241
janet-lang janet os.c os_strftime out-of-bounds
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-125 CWE-119 |
| Vendor | janet-lang |
| Product | janet |
| Published | Feb 9, 2026 |
| Last Updated | Feb 23, 2026 |
Stay Ahead of the Next One
Get instant alerts for janet-lang janet
Be the first to know when new low vulnerabilities affecting janet-lang janet are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
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
vuldb.com: https://vuldb.com/?id.344980 vuldb.com: https://vuldb.com/?ctiid.344980 vuldb.com: https://vuldb.com/?submit.753156 github.com: https://github.com/janet-lang/janet/issues/1701 github.com: https://github.com/janet-lang/janet/issues/1701#event-4446770461 github.com: https://github.com/oneafter/0123/blob/main/ja3/repro github.com: https://github.com/janet-lang/janet/commit/0f285855f0e34f9183956be5f16e045f54626bff github.com: https://github.com/janet-lang/janet/
Credits
🔍 Oneafter (VulDB User)