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Vulnerability details: VCID-1u3q-52yd-1bhe
Vulnerability ID VCID-1u3q-52yd-1bhe
Aliases CVE-2024-5991
Summary In function MatchDomainName(), input param str is treated as a NULL terminated string despite being user provided and unchecked. Specifically, the function X509_check_host() takes in a pointer and length to check against, with no requirements that it be NULL terminated. If a caller was attempting to do a name check on a non-NULL terminated buffer, the code would read beyond the bounds of the input array until it found a NULL terminator.This issue affects wolfSSL: through 5.7.0.
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
epss 0.00111 https://api.first.org/data/v1/epss?cve=CVE-2024-5991
epss 0.00111 https://api.first.org/data/v1/epss?cve=CVE-2024-5991
epss 0.00111 https://api.first.org/data/v1/epss?cve=CVE-2024-5991
epss 0.00111 https://api.first.org/data/v1/epss?cve=CVE-2024-5991
epss 0.00111 https://api.first.org/data/v1/epss?cve=CVE-2024-5991
epss 0.00111 https://api.first.org/data/v1/epss?cve=CVE-2024-5991
epss 0.00111 https://api.first.org/data/v1/epss?cve=CVE-2024-5991
epss 0.00111 https://api.first.org/data/v1/epss?cve=CVE-2024-5991
epss 0.00111 https://api.first.org/data/v1/epss?cve=CVE-2024-5991
epss 0.00111 https://api.first.org/data/v1/epss?cve=CVE-2024-5991
epss 0.00111 https://api.first.org/data/v1/epss?cve=CVE-2024-5991
cvssv4 10 https://https://github.com/wolfSSL/wolfssl/pull/7604
ssvc Track https://https://github.com/wolfSSL/wolfssl/pull/7604
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2024-5991
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-5991
1081788 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1081788
No exploits are available.
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H Found at https://https://github.com/wolfSSL/wolfssl/pull/7604
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-08-27T20:04:54Z/ Found at https://https://github.com/wolfSSL/wolfssl/pull/7604
Exploit Prediction Scoring System (EPSS)
Percentile 0.29577
EPSS Score 0.00111
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T16:38:11.966296+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.0.0