{"id":"CVE-2023-0836","state":"PUBLISHED","title":"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","description":"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.","publishedAt":"2023-03-29T00:00:00.000Z","updatedAt":"2025-02-18T16:42:03.756Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"redhat","products":["n/a HAProxy"],"affected":[{"vendor":"n/a","product":"HAProxy","versions":[{"version":"HAProxy 2.8, HAProxy 2.7.1, HAProxy 2.6.8, HAProxy 2.5.11, HAProxy 2.4.21, HAProxy 2.2.27","status":"affected"}]}],"references":["https://git.haproxy.org/?p=haproxy.git%3Ba=commitdiff%3Bh=2e6bf0a","https://www.debian.org/security/2023/dsa-5388"],"weaknesses":["CWE-200","CWE-459"],"ingestedAt":"2026-10-29T20:05:36.141Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/0xxx/CVE-2023-0836.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-0836","state":"PUBLISHED","datePublished":"2023-03-29T00:00:00.000Z","dateUpdated":"2025-02-18T16:42:03.756Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2023-02-14T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"HAProxy","versions":[{"version":"HAProxy 2.8, HAProxy 2.7.1, HAProxy 2.6.8, HAProxy 2.5.11, HAProxy 2.4.21, HAProxy 2.2.27","status":"affected"}]}],"references":[{"url":"https://git.haproxy.org/?p=haproxy.git%3Ba=commitdiff%3Bh=2e6bf0a"},{"url":"https://www.debian.org/security/2023/dsa-5388","name":"DSA-5388","tags":["vendor-advisory"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","type":"CWE","lang":"en","description":"CWE-200"}]}],"providerMetadata":{"shortName":"redhat","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateUpdated":"2023-04-14T00:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.haproxy.org/?p=haproxy.git%3Ba=commitdiff%3Bh=2e6bf0a","tags":["x_transferred"]},{"url":"https://www.debian.org/security/2023/dsa-5388","name":"DSA-5388","tags":["vendor-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T05:24:34.530Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-02-18T16:41:58.450731Z","id":"CVE-2023-0836","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-459","type":"CWE","lang":"en","description":"CWE-459 Incomplete Cleanup"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-18T16:42:03.756Z"}}]}}}