Name: CVE-2021-26530: Out-of-bounds Write
Creator: Rapid7
Published: 2021-02-08T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-26530, CWE-787, CVSS 9.1, EPSS 0.0149

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

CVSS Details

CVSS 3.1 Base Score: 9.1
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade swupdate	May 12, 2026	May 12, 2026

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CVSS Details

Covered by Rapid7

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