Low severity3.3NVD Advisory· Published Feb 9, 2026· Updated Apr 29, 2026
CVE-2026-2240
CVE-2026-2240
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2cpe:2.3:a:janet-lang:janet:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:janet-lang:janet:*:*:*:*:*:*:*:*range: <=1.40.1
- (no CPE)range: <=1.40.1
Patches
Vulnerability mechanics
References
7- github.com/janet-lang/janet/commit/4dd08a4cdef5b1c42d9a2c19fc24412e97ef51d5nvdPatch
- github.com/janet-lang/janet/issues/1702nvdExploitIssue Tracking
- github.com/janet-lang/janet/issues/1702nvdExploitIssue Tracking
- github.com/oneafter/0123/blob/main/ja4/repronvdExploit
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdPermissions RequiredVDB Entry
News mentions
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