CVE-2023-0836
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2023-0836
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-0836.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2023-0836
- Aliases
- Related
- Published
- 2023-03-29T21:15:07Z
- Modified
- 2025-07-01T14:22:21.197416Z
- Downstream
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGIBEGINREQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way.
- References
Affected packages
Debian:11 / haproxy
Package
- Name
- haproxy
- Purl
- pkg:deb/debian/haproxy?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed2.2.9-2+deb11u5
Debian:12 / haproxy
Package
- Name
- haproxy
- Purl
- pkg:deb/debian/haproxy?arch=source
Debian:13 / haproxy
Package
- Name
- haproxy
- Purl
- pkg:deb/debian/haproxy?arch=source