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

CVE-2021-26530

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

3
  • 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 HTTPS serverdescription

Patches

Vulnerability mechanics

References

1

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