CVE-2026-2242
Out-of-Bounds Read in janet-lang janetc_if Function
Publication date: 2026-02-09
Last updated on: 2026-04-29
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| janet-lang | janet | to 1.40.1 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the janet-lang janet software up to version 1.40.1, specifically in the function janetc_if within the file src/core/specials.c. It allows an attacker who has local access to the system to perform a manipulation that leads to an out-of-bounds read. This means the program may read memory outside the intended boundaries, which can cause unexpected behavior or crashes.
The vulnerability has been publicly disclosed and a patch identified by commit c43e06672cd9dacf2122c99f362120a17c34b391 is available to fix the issue.
How can this vulnerability impact me? :
The impact of this vulnerability is limited but can cause an out-of-bounds read, which may lead to application instability or crashes. Since the attack requires local access and low privileges, the risk is somewhat mitigated.
According to the CVSS scores, the impact on confidentiality and integrity is none, but there is a potential impact on availability.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
The vulnerability requires local attack and can lead to an out-of-bounds read in the janetc_if function of janet-lang janet up to version 1.40.1.
It is advisable to implement the patch identified by commit c43e06672cd9dacf2122c99f362120a17c34b391 to correct this issue.