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Critical severity9.8NVD Advisory· Published Nov 7, 2017· Updated Jun 17, 2026

CVE-2017-2891

CVE-2017-2891

Description

An exploitable use-after-free vulnerability exists in the HTTP server implementation of Cesanta Mongoose 6.8. An ordinary HTTP POST request with a CGI target can cause a reuse of previously freed pointer potentially resulting in remote code execution. An attacker needs to send this HTTP request over the network to trigger this vulnerability.

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Affected products

2
  • Cesanta/Mongoose2 versions
    cpe:2.3:a:cesanta:mongoose:6.8:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:cesanta:mongoose:6.8:*:*:*:*:*:*:*
    • (no CPE)range: 6.8

Patches

Vulnerability mechanics

References

1

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