CVE-2021-40346
Published: 7 September 2021
An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header 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.
Priority
CVSS 3 base score: 7.5
Status
Package | Release | Status |
---|---|---|
haproxy Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
focal |
Released
(2.0.13-2ubuntu0.3)
|
|
hirsute |
Released
(2.2.9-1ubuntu0.2)
|
|
impish |
Released
(2.2.9-2ubuntu2)
|
|
jammy |
Released
(2.2.9-2ubuntu2)
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
(code not present)
|