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Critical severity9.8NVD Advisory· Published Sep 18, 2020· Updated Jun 17, 2026

CVE-2020-25756

CVE-2020-25756

Description

A buffer overflow vulnerability exists in the mg_get_http_header function in Cesanta Mongoose 6.18 due to a lack of bounds checking. A crafted HTTP header can exploit this bug. NOTE: a committer has stated "this will not happen in practice.

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:6.18:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:cesanta:mongoose:6.18:*:*:*:*:*:*:*
    • (no CPE)range: <6.18
  • Cesanta/Mongoosedescription

Patches

Vulnerability mechanics

References

1

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