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
CVSS 3.1 6.1/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| janet-lang | janet | 1.40.0; 1.40.1 |
References
- https://github.com/janet-lang/janet/Product
- https://github.com/janet-lang/janet/commit/0f285855f0e34f9183956be5f16e045f54626bffPatch
- https://github.com/janet-lang/janet/issues/1701Exploit, Issue Tracking
- https://github.com/janet-lang/janet/issues/1701#event-4446770461Exploit, Issue Tracking
- https://github.com/oneafter/0123/blob/main/ja3/reproExploit
- https://vuldb.com/?ctiid.344980Permissions Required, VDB Entry
- https://vuldb.com/?id.344980Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.753156Third Party Advisory, VDB Entry
Timeline
- Published
- Feb 9, 2026
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed