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CVE-2026-10267— janet-lang janet debug.c doframe out-of-bounds

Quick assessment

Affected
janet-lang janet
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Janet是Janet Language开源的一种函数式和命令式编程语言和字节码解释器。 Janet 1.41.0及之前版本存在缓冲区错误漏洞，该漏洞源于文件src/core/debug.c中函数doframe的错误操作，可能导致越界读取。

CVSS 3.3 · Low EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 42

VendorProduct Version RangeStatus
janet-lang janet 1.0 affected
1.1 affected
1.2 affected
1.3 affected
1.4 affected
1.5 affected
1.6 affected
1.7 affected
… +34 more rows
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I. Basic Information for CVE-2026-10267

Vulnerability Information
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Vulnerability Title
janet-lang janet debug.c doframe out-of-bounds
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in janet-lang janet up to 1.41.0. This affects the function doframe of the file src/core/debug.c. Performing a manipulation results in out-of-bounds read. Attacking locally is a requirement. The exploit has been released to the public and may be used for attacks. The patch is named ed17dd2c5913a23fb1107251e44a9410a3c30cf5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Janet 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Janet是Janet Language开源的一种函数式和命令式编程语言和字节码解释器。 Janet 1.41.0及之前版本存在缓冲区错误漏洞，该漏洞源于文件src/core/debug.c中函数doframe的错误操作，可能导致越界读取。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
janet-lang janet 1.0 cpe:2.3:a:janet-lang:janet:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-10267

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III. Intelligence Information for CVE-2026-10267

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Patches & Fixes for CVE-2026-10267 (1)

Vendor Advisories for CVE-2026-10267 (1)

Proof of Concept for CVE-2026-10267 (1)

Other References for CVE-2026-10267 (1)

IV. Related Vulnerabilities

Same product: janet
Same vendor: janet-lang
Same weakness: CWE-125

V. Comments for CVE-2026-10267

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