CVEvulnerability
CVE-2026-2240
1.9 LOW
Official page ↗
- Status
- Analyzed
- Published
- 2026-02-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 1.9 LOW — 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 3.3 LOW — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
- CVSS 2.0 ([email protected])
- 1.7 LOW — AV:L/AC:L/Au:S/C:N/I:N/A:P
- Weaknesses
- CWE-119, CWE-125
Description
A vulnerability has been found in janet-lang janet up to 1.40.1. The impacted element is the function janetc_pop_funcdef of the file src/core/compile.c. Such manipulation leads to out-of-bounds read. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The name of the patch is 4dd08a4cdef5b1c42d9a2c19fc24412e97ef51d5. A patch should be applied to remediate this issue.
Affected configurations
• janet-lang janet (<= 1.40.1)
Related
References
- https://github.com/janet-lang/janet/ Product
- https://github.com/janet-lang/janet/commit/4dd08a4cdef5b1c42d9a2c19fc24412e97ef51d5 Patch
- https://github.com/janet-lang/janet/issues/1702 Exploit, Issue Tracking
- https://github.com/janet-lang/janet/issues/1702#issuecomment-3790473369 Exploit, Issue Tracking
- https://github.com/oneafter/0123/blob/main/ja4/repro Exploit
- https://vuldb.com/?ctiid.344979 Permissions Required, VDB Entry
- https://vuldb.com/?id.344979 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.753155 Third Party Advisory, VDB Entry