CVE-2020-25756

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.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 74.55%
Affected Products (NVD)
VendorProductVersion
cesantamongoose
6.18
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
mongoose
forky
7.22+ds-1
fixed
sid
7.22+ds-1
fixed
swupdate
bookworm
2022.12+dfsg-4+deb12u2
fixed
bullseye
postponed
forky
2026.05.1+dfsg-1
fixed
sid
2026.05.1+dfsg-1
fixed
trixie
2024.12.1+dfsg-3+deb13u2
fixed