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CVE-2021-41581

5.5 MEDIUM

x509_constraints_parse_mailbox in lib/libcrypto/x509/x509_constraints.c in LibreSSL through 3.4.0 has a stack-based buffer over-read

Published: 2021-09-24 · Last updated: 2026-06-17

Severity and scoring

CVSS
5.5 MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
CWE-125

Affected products

VendorProduct
openbsdlibressl

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.

Source: NVD

References

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