Heap-based buffer overflow in the P-521 reduction function in Botan 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (memory overwrite and crash) or execute arbitrary code via unspecified vectors
Published May 13, 2016
9.8
CRITICALCVSS 3.0
EPSS 5.34%
Description
Heap-based buffer overflow in the P-521 reduction function in Botan 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (memory overwrite and crash) or execute arbitrary code via unspecified vectors.
Affected products
No data.
- 1.11.0
- 1.11.1
- 1.11.2
- 1.11.3
- 1.11.4
- 1.11.5
- 1.11.6
- 1.11.7
- 1.11.8
- 1.11.9
- 1.11.10
- 1.11.11
- 1.11.12
- 1.11.13
- 1.11.14
- 1.11.15
- 1.11.16
- 1.11.17
- 1.11.18
- 1.11.19
- 1.11.20
- 1.11.21
- 1.11.22
- 1.11.23
- 1.11.24
- 1.11.25
- 1.11.26
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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.34% (0.05338) | 92.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.34% (0.05338) | 91.55th | v5 (v2026.06.15) |
| Jan 12, 2026 | 4.61% (0.04605) | 88.90th | v4 (v2025.03.14) |
| Oct 14, 2025 | 3.44% (0.03444) | 86.94th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.40% (0.02396) | 83.60th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.09% (0.10093) | 88.39th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.40% (0.02396) | 83.94th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.03% (0.02032) | 89.41th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.03% (0.02032) | 87.13th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.07% (0.02065) | 79.84th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.07% (0.02065) | 77.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.07% (0.02065) | 56.61th | v2 (v2022.01.01) |
References (2)
- http://botan.randombit.net/security.html x_refsource_CONFIRMVendor Advisory
- http://marc.info/?l=botan-devel&m=145435148602911&w=2 mailing-listx_refsource_MLISTVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://botan.randombit.net/security.html | x_refsource_CONFIRMVendor Advisory | |
| http://marc.info/?l=botan-devel&m=145435148602911&w=2 | mailing-listx_refsource_MLISTVendor Advisory |
Change history (0)
No recorded changes yet.