CVE-2026-2241
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| janet-lang | janet | {"endIncluding":"1.40.1"} | |
References
- https://github.com/janet-lang/janet/
- https://github.com/janet-lang/janet/commit/0f285855f0e34f9183956be5f16e045f54626bff
- https://github.com/janet-lang/janet/issues/1701
- https://github.com/janet-lang/janet/issues/1701#event-4446770461
- https://github.com/oneafter/0123/blob/main/ja3/repro
- https://vuldb.com/?ctiid.344980
- https://vuldb.com/?id.344980
- https://vuldb.com/?submit.753156
CWEs
CWE-119 CWE-125
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.