CVE-2021-41581

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 24, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-415836.5vpn-user-portal (aka eduVPN or Let's Connect!) before 2.3.14, as packaged for Debian 10, Debian 11, and Fedora, allows remote authenticated CVE-2021-415847.5Gradle Enterprise before 2021.1.3 can allow unauthorized viewing of a response (information disclosure of possibly sensitive build/configuraCVE-2021-415857.5Improper Input Validation vulnerability in accepting socket connections in Apache Traffic Server allows an attacker to make the server stop CVE-2021-415867.5In Gradle Enterprise before 2021.1.3, an attacker with the ability to perform SSRF attacks can potentially reset the system user password.CVE-2021-415877.5In Gradle Enterprise before 2021.1.3, an attacker with the ability to perform SSRF attacks can potentially discover credentials for other reCVE-2021-415888.1In Gradle Enterprise before 2021.1.3, a crafted request can trigger deserialization of arbitrary unsafe Java objects. The attacker must haveCVE-2021-415899.8In Gradle Enterprise before 2021.3 (and Enterprise Build Cache Node before 10.0), there is potential cache poisoning and remote code executiCVE-2021-41594.4A vulnerability was found in the Linux kernel's EBPF verifier when handling internal data structures. Internal memory locations could be retCVE-2021-415905.3In Gradle Enterprise through 2021.3, probing of the server-side network environment can occur via an SMTP configuration test. The installatiCVE-2021-415919.4ACINQ Eclair before 0.6.3 allows loss of funds because of dust HTLC exposure.CVE-2021-415929.4Blockstream c-lightning through 0.10.1 allows loss of funds because of dust HTLC exposure.CVE-2021-415938.6Lightning Labs lnd before 0.13.3-beta allows loss of funds because of dust HTLC exposure.
CVE-2021-41581: Medium severity, CVSS 5.5 | Vulnix