🛡️ CVE-2022-25044 — espruino

🟠 CVSS 7.8 — High ⚠️ Exploit Public CWE-787 NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Espruino 2v11.251 was discovered to contain a stack buffer overflow via src/jsvar.c in jsvNewFromString.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2022-25044 is classified as CWE-787: Out-of-bounds Write. Data is written past the end or before the start of a buffer, corrupting whatever is stored there.

Affected software

CVE-2022-25044 is recorded against 1 package.

  • espruino

Timeline and source

Published on 5 March 2022 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com
github.com
github.com

Details

Severity HIGH
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-787
Public Exploit ⚠️ Yes
Source NVD
Published 2022-03-05
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
espruino — —

References

Similar Threats

Exploit Protection

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CVE-2022-25044 carries CVSS 7.8 High rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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