CVE-2024-34702
MEDIUMDescription
Botan is a C++ cryptography library. X.509 certificates can identify elliptic curves using either an object identifier or using explicit encoding of the parameters. Prior to 3.5.0 and 2.19.5, checking name constraints in X.509 certificates is quadratic in the number of names and name constraints. An attacker who presented a certificate chain which contained a very large number of names in the SubjectAlternativeName, signed by a CA certificate which contained a large number of name constraints, could cause a denial of service. The problem has been addressed in Botan 3.5.0 and a partial backport has also been applied and is included in Botan 2.19.5.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Exploit Intelligence
Moderate risk: more likely to be exploited than 54% of all known CVEs.
References
Related Vulnerabilities
Other CWE-405 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2019-11479 | High | 7.5 | 92% | - | Fix |
| CVE-2024-11187 | High | 7.5 | 15% | - | Fix |
| CVE-2025-8677 | High | 7.5 | 11% | - | Fix |
| CVE-2021-38447 | High | 8.6 | 2.1% | - | Fix |
| CVE-2021-21359 | Medium | 5.9 | 1.7% | - | Fix |
| CVE-2018-15492 | High | 7.5 | 1.2% | - | - |
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.