DEBIAN-CVE-2026-28367
- Source
- https://security-tracker.debian.org/tracker/CVE-2026-28367
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-28367.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-28367
- Upstream
- Published
- 2026-03-27T17:16:27.750Z
- Modified
- 2026-04-11T09:00:37.355193Z
- Severity
-
- 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
- Summary
- [none]
- Details
-
A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending
\r\r\ras a header block terminator. This can be used for request smuggling with certain proxy servers, such as older versions of Apache Traffic Server and Google Cloud Classic Application Load Balancer, potentially leading to unauthorized access or manipulation of web requests. - References
Affected packages
Debian:14 / undertow
Package
- Name
- undertow
- Purl
- pkg:deb/debian/undertow?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affected
Affected versions
1.*
1.3.4-1
1.3.5-1
1.3.7-1
1.3.11-1
1.3.16-1
1.3.19-1
1.3.21-1
1.3.23-1
1.4.0-1
1.4.1-1
1.4.3-1
1.4.4-1
1.4.6-1
1.4.7-1
1.4.8-1
1.4.18-1
1.4.20-1
1.4.21-1
1.4.21-2
1.4.22-1
1.4.23-1
1.4.23-2
1.4.23-3
1.4.25-1
1.4.25-2
2.*
2.0.23-1
2.0.25-1
2.0.26-1
2.0.27-1
2.0.28-1
2.0.29-1
2.0.30-1
2.1.0-1
2.1.1-1
2.1.3-1
2.2.0-1
2.2.2-1
2.2.3-1
2.2.4-1
2.2.5-1
2.2.8-1
2.2.10-1
2.2.12-1
2.2.13-1
2.2.14-1
2.2.16-1
2.2.17-1
2.2.18-1
2.2.19-1
2.2.20-1
2.2.21-1
2.3.8-1
2.3.8-2
2.3.18-1
2.3.18-2
2.3.20-1