CVE-2021-46521: Buffer Overflow
First published: Thu Jan 27 2022(Updated: )
Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow via c_vsnprintf at mjs/src/common/str_util.c.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MJS | =2.20.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-46521?
CVE-2021-46521 has a medium severity rating due to the risk of a buffer overflow that could lead to system crashes or execution of arbitrary code.
How do I fix CVE-2021-46521?
To fix CVE-2021-46521, you should upgrade to a version of Cesanta MJS that is later than v2.20.0.
What type of vulnerability is CVE-2021-46521?
CVE-2021-46521 is classified as a global buffer overflow vulnerability.
In which component of Cesanta MJS is CVE-2021-46521 found?
CVE-2021-46521 is found in the str_util.c file within the common directory of the MJS source code.
Can CVE-2021-46521 affect other versions of the software?
CVE-2021-46521 specifically affects Cesanta MJS version 2.20.0, and other versions should be evaluated for similar vulnerabilities.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/severity
- agent/last-modified-date
- agent/references
- agent/weakness
- agent/first-publish-date
- agent/event
- agent/description
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/cesanta
- canonical/mjs
- version/mjs/2.20.0