An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs.
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2021-09-08T16:40:38

Updated: 2021-09-17T21:06:26

Reserved: 2021-08-31T00:00:00


Link: CVE-2021-40346

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2021-09-08T17:15:12.457

Modified: 2023-11-07T03:38:33.673


Link: CVE-2021-40346

JSON object: View

cve-icon Redhat Information

No data.

CWE