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VULNERABILITIES

CVE-2021-26529 Details

Description

The mg_tls_init function in Cesanta Mongoose HTTPS server 7.0 and 6.7-6.18 (compiled with mbedTLS support) is vulnerable to remote OOB write attack via connection request after exhausting memory pool.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/cesanta/mongoose/issues/1203 CVEExploitThird Party Advisory
https://github.com/cesanta/mongoose/issues/1203 [email protected]ExploitThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions
cesanta mongoose
>= 6.7, <= 6.18
7.0

CPE

  • cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*
  • cpe:2.3:a:cesanta:mongoose:7.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-26529
NVD Published Date:
Feb 8, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-26529 Details - Not Deferred