{"id":"BIT-haproxy-2023-0836","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 FCGI_BEGIN_REQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way.","aliases":["CVE-2023-0836"],"modified":"2025-04-03T14:40:37.652Z","published":"2024-03-06T10:53:49.889Z","database_specific":{"cpes":["cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*","cpe:2.3:a:haproxy:haproxy:2.1.0:*:*:*:*:*:*:*","cpe:2.3:a:haproxy:haproxy:2.3.0:*:*:*:*:*:*:*","cpe:2.3:a:haproxy:haproxy:2.7.0:*:*:*:*:*:*:*"],"severity":"High"},"references":[{"type":"WEB","url":"https://git.haproxy.org/?p=haproxy.git%3Ba=commitdiff%3Bh=2e6bf0a"},{"type":"WEB","url":"https://www.debian.org/security/2023/dsa-5388"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0836"}],"affected":[{"package":{"name":"haproxy","ecosystem":"Bitnami","purl":"pkg:bitnami/haproxy"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.1.0"},{"fixed":"2.1.1"},{"introduced":"2.2.0"},{"fixed":"2.2.27"},{"introduced":"2.3.0"},{"fixed":"2.3.1"},{"introduced":"2.4.0"},{"fixed":"2.4.22"},{"introduced":"2.5.0"},{"fixed":"2.5.12"},{"introduced":"2.6.0"},{"fixed":"2.6.9"},{"introduced":"2.7.0"},{"fixed":"2.7.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/haproxy/BIT-haproxy-2023-0836.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}],"schema_version":"1.7.3"}