CVE-2021-41581
MEDIUM
5.5
CVSS Score
Published: September 24, 2021 at 02:12 AM UTC
Updated: June 17, 2026 at 04:08 AM UTC
1 product affected across 1 vendorLibressl
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.6%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/libressl-portable/openbsd/issues/126CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-125
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