CVE-2021-41581

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 53%
VendorProductVersion
openbsdlibressl
𝑥
≤ 3.4.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/libressl-portable/openbsd/issues/126
https://github.com/libressl-portable/openbsd/issues/126