CVE-2026-10268
janet-lang janet marsh.c unmarshal_one_fiber integer overflow
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
0th
A weakness has been identified in janet-lang janet up to 1.41.0. This vulnerability affects the function unmarshal_one_fiber of the file src/core/marsh.c. Executing a manipulation can lead to integer overflow. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. This patch is called d9b1d711ea1fde52ac73a82088b512a3e17bad0d. A patch should be applied to remediate this issue.
| CWE | CWE-190 CWE-189 |
| Vendor | janet-lang |
| Product | janet |
| Published | Jun 1, 2026 |
| Last Updated | Jun 1, 2026 |
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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
1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21 1.22 1.23 1.24 1.25 1.26 1.27 1.28 1.29 1.30 1.31 1.32 1.33 1.34 1.35 1.36 1.37 1.38 1.39 1.40 1.41.0
References
vuldb.com: https://vuldb.com/vuln/367547 vuldb.com: https://vuldb.com/vuln/367547/cti vuldb.com: https://vuldb.com/cve/CVE-2026-10268 vuldb.com: https://vuldb.com/submit/825075 github.com: https://github.com/janet-lang/janet/issues/1744 github.com: https://github.com/biniamf/pocs/tree/main/janet-marsh-unmarshal-intovf github.com: https://github.com/janet-lang/janet/commit/d9b1d711ea1fde52ac73a82088b512a3e17bad0d github.com: https://github.com/janet-lang/janet/
Credits
🔍 biniam (VulDB User)