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.
Published: 2020-09-18
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 23 Feb 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Cesanta Mongoose
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T15:40:36.991Z

Reserved: 2020-09-18T00:00:00.000Z

Link: CVE-2020-25756

cve-icon Vulnrichment

Updated: 2024-08-04T15:40:36.991Z

cve-icon NVD

Status : Modified

Published: 2020-09-18T05:15:13.197

Modified: 2024-11-21T05:18:40.713

Link: CVE-2020-25756

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses