yubiserver before 0.6 is prone to buffer overflows due to misuse of sprintf
Published Jun 26, 2025
9.8
CRITICALCVSS 3.1
EPSS 0.45%
Description
yubiserver before 0.6 is prone to buffer overflows due to misuse of sprintf.
Affected products
-
- Version 0StatusaffectedConstraints<0.6
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Yubiserver | Yubiserver | unaffected |
|
- 0.2-2
- 0.5-2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Jun 27, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2025–2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.45% (0.00445) | 36.36th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00390) | 30.57th | v5 (v2026.06.15) |
| Jun 27, 2025 | 0.09% (0.00092) | 27.18th | v4 (v2025.03.14) |
References (2)
- http://www.include.gr/debian/yubiserver/#changelog Release Notes
- https://bugs.debian.org/796495 Issue TrackingMailing ListVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.include.gr/debian/yubiserver/#changelog | Release Notes | |
| https://bugs.debian.org/796495 | Issue TrackingMailing ListVendor Advisory |
Change history (0)
No recorded changes yet.