CVE-2020-25756
9.8
CRITICAL
CVSS 3.1
EPSS 0.91%
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.
How to fix CVE-2020-25756
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/swupdate—no fix listed
Is CVE-2020-25756 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |