DEBIAN-CVE-2021-40346

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Source
https://security-tracker.debian.org/tracker/CVE-2021-40346
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-40346.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-40346
Upstream
Published
2021-09-08T17:15:12.457Z
Modified
2025-11-20T10:15:08.278733Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

An integer overflow exists in HAProxy 2.0 through 2.5 in htxaddheader that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs.

References

Affected packages

Debian:11 / haproxy

Package

Name
haproxy
Purl
pkg:deb/debian/haproxy?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.9-2+deb11u2

Affected versions

2.*

2.2.9-2
2.2.9-2+deb11u1~bpo10+1
2.2.9-2+deb11u1
2.2.9-2+deb11u2~bpo10+1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / haproxy

Package

Name
haproxy
Purl
pkg:deb/debian/haproxy?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.16-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / haproxy

Package

Name
haproxy
Purl
pkg:deb/debian/haproxy?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.16-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / haproxy

Package

Name
haproxy
Purl
pkg:deb/debian/haproxy?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.16-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}