VulnerabilityAnalyzed
CVE-2026-2240
A vulnerability has been found in janet-lang janet up to 1.40.1.
LOW 1.9EPSS 0.16%
Does this matter?
Lower severity and a low EPSS score (0.16%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 1.9 LOWCVSS: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/M
- EPSS
- 0.16% probability · 6th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-125
- Affected
- janet-lang/janet
- Source
- cna@vuldb.com
References
- https://github.com/janet-lang/janet/Product
- https://github.com/janet-lang/janet/commit/4dd08a4cdef5b1c42d9a2c19fc24412e97ef51d5Patch
- https://github.com/janet-lang/janet/issues/1702Exploit, Issue Tracking
- https://github.com/janet-lang/janet/issues/1702#issuecomment-3790473369Exploit, Issue Tracking
- https://github.com/oneafter/0123/blob/main/ja4/reproExploit
- https://vuldb.com/?ctiid.344979Permissions Required, VDB Entry
- https://vuldb.com/?id.344979Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.753155Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.