CVE-2021-26529

Published: Feb 8, 2021Modified: Jun 17, 2026

9.1

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Exploitability: 3.9 / Impact: 5.2

Source: NVD

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.

Affected (2)

Products: Cesanta: Mongoose

Cesanta

1 product

Mongoose

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Cesanta Mongoose	From 6.7 to 6.18
Cesanta Mongoose	Version 7.0

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (2)

https://github.com/cesanta/mongoose/issues/1203

Source: cve@mitre.org

ExploitThird Party Advisory

https://github.com/cesanta/mongoose/issues/1203

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

Timeline

No history available yet.