CVE-2021-41581 is a stack-based buffer over-read vulnerability in the x509_constraints_parse_mailbox function of LibreSSL versions up to 3.4.0, impacting OpenBSD and LibreSSL. This flaw occurs when input exceeds DOMAIN_PART_MAX_LEN, leading to a lack of null termination. With a CVSS score of 5.5 (Medium), it requires user interaction and local access, potentially causing a denial of service. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.4.0CPE matchmatch criteria | cpe:2.3:a:openbsd:libressl:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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