CVE-2017-12165
HIGH7.5EPSS 1.1%Undertow Request Smuggling vulnerability
Published: 5/13/2022Modified: 4/28/2026
Description
It was discovered that Undertow before 1.4.17, 1.3.31 and 2.0.0 processes http request headers with unusual whitespaces which can cause possible http request smuggling.
Affected packages (2)
- Debian/undertowfrom 0, < 2.0.23-1
- Maven/io.undertow:undertow-corefrom 0, < 1.3.31
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
References (8)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2017-12165
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2017-12165
- PATCHhttps://github.com/undertow-io/undertow
- WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12165
- WEBhttps://github.com/undertow-io/undertow/commit/1e72647818c9fb31b693a953b1ae595a6c82eb7f
- WEBhttps://github.com/undertow-io/undertow/commit/5b008b7ac312c6cdb76679ff58c43620bb79d44f
- WEBhttps://github.com/undertow-io/undertow/commit/691440ee58259fba76711b60d56dde6679808bdc
- WEBhttps://issues.redhat.com/browse/UNDERTOW-1251