CVE-2021-41581

Published: Sep 24, 2021Modified: Jun 17, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

x509_constraints_parse_mailbox in lib/libcrypto/x509/x509_constraints.c in LibreSSL through 3.4.0 has a stack-based buffer over-read. When the input exceeds DOMAIN_PART_MAX_LEN, the buffer lacks '\0' termination.

Affected (1)

Products: Openbsd: Libressl

Openbsd

1 product

Libressl

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Openbsd Libressl	Up to 3.4.0

Related CWEs

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (2)

https://github.com/libressl-portable/openbsd/issues/126

Source: cve@mitre.org

ExploitIssue TrackingPatchThird Party Advisory

https://github.com/libressl-portable/openbsd/issues/126

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitIssue TrackingPatchThird Party Advisory

Timeline

No history available yet.