Debian Yubiserver vulnerabilities

2 CVEs affecting Debian Yubiserver, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2015-0843, published 2025-06-26.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2015-0843, published 2025-06-26. Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days. yubiserver before 0.6 is prone to buffer overflows due to misuse of sprintf.
• CVE-2015-0842, published 2025-06-26. Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days. yubiserver before 0.6 is prone to SQL injection issues, potentially leading to an authentication bypass.