DEBIAN-CVE-2020-25756

Source
https://security-tracker.debian.org/tracker/CVE-2020-25756
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-25756.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2020-25756
Upstream
Published
2020-09-18T05:15:13Z
Modified
2026-09-11T11:02:30Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:12 / swupdate

Package

Name
swupdate
Purl
pkg:deb/debian/swupdate?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2022.12+dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-25756.json"

Debian:13 / swupdate

Package

Name
swupdate
Purl
pkg:deb/debian/swupdate?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2022.12+dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-25756.json"

Debian:14 / swupdate

Package

Name
swupdate
Purl
pkg:deb/debian/swupdate?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2022.12+dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-25756.json"