SB2024112172 - Out-of-bounds write in Mongoose



SB2024112172 - Out-of-bounds write in Mongoose

Published: November 21, 2024 Updated: June 23, 2025

Security Bulletin ID SB2024112172
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2021-26529)

The vulnerability allows a remote non-authenticated attacker to damange or delete data.

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.


Remediation

Install update from vendor's website.