Critical severity9.1NVD Advisory· Published Feb 8, 2021· Updated Jun 17, 2026

CVE-2021-26530

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cesanta/Mongoose2 versions
cpe:2.3:a:cesanta:mongoose:7.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:cesanta:mongoose:7.0:*:*:*:*:*:*:*
- (no CPE)range: 7.0
Cesanta/Mongoose Web Servercpe-rescue

Patches

Vulnerability mechanics

References

github.com/cesanta/mongoose/issues/1204nvdExploitThird Party Advisory

News mentions

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epss	0.001
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kev	0.000
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ransomware	0.000