In Botan 1.11.29 through 1.11.32, RSA decryption with certain padding options had a…
Priority LOW 28CWE-200Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
In Botan 1.11.29 through 1.11.32, RSA decryption with certain padding options had a detectable timing channel which could given sufficient queries be used to recover plaintext, aka an "OAEP side channel" attack.
Why it matters now
EPSS 0.00421 36th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:botan_project:botan:1.11.29:*:*:*:*:*:*:* | 1.11.29 | Vulnerable | randombit |
| cpe:2.3:a:botan_project:botan:1.11.30:*:*:*:*:*:*:* | 1.11.30 | Vulnerable | randombit |
| cpe:2.3:a:botan_project:botan:1.11.31:*:*:*:*:*:*:* | 1.11.31 | Vulnerable | randombit |
| cpe:2.3:a:botan_project:botan:1.11.32:*:*:*:*:*:*:* | 1.11.32 | Vulnerable | randombit |
- cpe:2.3:a:botan_project:botan:1.11.29:*:*:*:*:*:*:* Versions 1.11.29 Vulnerable ·randombit
- cpe:2.3:a:botan_project:botan:1.11.30:*:*:*:*:*:*:* Versions 1.11.30 Vulnerable ·randombit
- cpe:2.3:a:botan_project:botan:1.11.31:*:*:*:*:*:*:* Versions 1.11.31 Vulnerable ·randombit
- cpe:2.3:a:botan_project:botan:1.11.32:*:*:*:*:*:*:* Versions 1.11.32 Vulnerable ·randombit
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-8871
- 2026-10-03 Alias added: GHSA-7mvj-5457-q9m3
References
More randombit Botan vulnerabilities
- TI-2024-33818 Botan before 3.6.0, when certain GCC versions are used, has a compiler-induced… CVSS 3.1MEDIUM 5.9
- TI-2024-33817 Botan before 3.6.0, when certain LLVM versions are used, has compiler-induced… CVSS 3.1MEDIUM 5.9
- TI-2016-02004 Integer overflow in the PointGFp constructor in Botan before 1.10.11 and 1.11.x before… CVSS 3.0CRITICAL 9.8
- TI-2016-02005 Heap-based buffer overflow in the P-521 reduction function in Botan 1.11.x before 1.11.27… CVSS 3.0CRITICAL 9.8
- TI-2026-26828 Botan has a certificate authentication bypass due to trust anchor confusion CVSS 4.0CRITICAL 9.3
- TI-2016-07479 In Botan 1.8.0 through 1.11.33, when decoding BER data an integer overflow could occur… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2016-8871 · CVE Program
- CVE-2016-8871 · NVD
- FIRST EPSS
- GHSA-7mvj-5457-q9m3 · GitHub Advisory Database · CC BY 4.0
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