Upstream information
Description
Botan is a C++ cryptography library. Prior to version 3.11.0, during processing of an X.509 certificate path using name constraints which restrict the set of allowable DNS names, if no subject alternative name is defined in the end-entity certificate Botan would check that the CN was allowed by the DNS name constraints, even though this check is technically not required by RFC 5280. However this check failed to account for the possibility of a mixed-case CN. Thus a certificate with CN=Sub.EVIL.COM and no subject alternative name would bypasses an excludedSubtrees constraint for evil.com because the comparison is case-sensitive. This issue has been patched in version 3.11.0.SUSE information
Overall state of this security issue: Pending
This issue is currently rated as having moderate severity.
| CVSS detail | CNA (GitHub) | SUSE |
|---|---|---|
| Base Score | 5.9 | 5.9 |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| Attack Vector | Network | Network |
| Attack Complexity | High | High |
| Privileges Required | None | None |
| User Interaction | None | None |
| Scope | Unchanged | Unchanged |
| Confidentiality Impact | None | None |
| Integrity Impact | High | High |
| Availability Impact | None | None |
| CVSSv3 Version | 3.1 | 3.1 |
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.
| Product(s) | Source package | State |
|---|---|---|
| Products under Long Term Service Pack support and receiving important and critical security fixes. | ||
| SUSE Linux Enterprise Server 12 SP5 | Botan | Affected |
| SUSE Linux Enterprise Server 12 SP5-LTSS | Botan | Affected |
| SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security | Botan | Affected |
| SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | Botan | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | Botan | Affected |
| Products past their end of life and not receiving proactive updates anymore. | ||
| SUSE Linux Enterprise Desktop 12 | Botan | Affected |
| SUSE Linux Enterprise Desktop 12 SP1 | Botan | Affected |
| SUSE Linux Enterprise Desktop 12 SP2 | Botan | Affected |
| SUSE Linux Enterprise Desktop 12 SP3 | Botan | Affected |
| SUSE Linux Enterprise Desktop 12 SP4 | Botan | Affected |
| SUSE Linux Enterprise Server 12 | Botan | Affected |
| SUSE Linux Enterprise Server 12 SP1 | Botan | Affected |
| SUSE Linux Enterprise Server 12 SP2 | Botan | Affected |
| SUSE Linux Enterprise Server 12 SP3 | Botan | Affected |
| SUSE Linux Enterprise Server 12 SP4 | Botan | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 | Botan | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP1 | Botan | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 | Botan | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | Botan | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP4 | Botan | Affected |
| SUSE Linux Enterprise Software Development Kit 12 | Botan | Affected |
| SUSE Linux Enterprise Software Development Kit 12 SP1 | Botan | Affected |
| SUSE Linux Enterprise Software Development Kit 12 SP2 | Botan | Affected |
| SUSE Linux Enterprise Software Development Kit 12 SP3 | Botan | Affected |
| SUSE Linux Enterprise Software Development Kit 12 SP4 | Botan | Affected |
| SUSE Linux Enterprise Software Development Kit 12 SP5 | Botan | Affected |
SUSE Timeline for this CVE
CVE page created: Tue Mar 31 00:04:25 2026CVE page last modified: Fri Apr 17 22:31:13 2026