CVE catalog
CVE-2016-2849
UBUNTU-CVE-2016-2849
- Severity
- High · CVSS 7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 2.81% · Oct 25, 2026
Botan before 1.10.13 and 1.11.x before 1.11.29 do not use a constant-time algorithm to perform a modular inverse on the signature nonce k, which might allow remote attackers to obtain ECDSA secret keys via a timing side-channel attack.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | botan1.10 | 14.04 | 1.10.5-1 | vulnerable |
| Ubuntu | botan1.10 | 14.04 | 1.10.5-1ubuntu1 | vulnerable |
| Ubuntu | botan1.10 | 14.04 | 1.10.5-1+deb7u1ubuntu0.14.04.1 | fixed |
| Ubuntu | botan1.10 | 16.04 | 1.10.10-6 | vulnerable |
| Ubuntu | botan1.10 | 16.04 | 1.10.12-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Ubuntu | botan1.10 | deb | 14.04 | 1.10.5-1+deb7u1ubuntu0.14.04.1 | Not reported | UBUNTU-CVE-2016-2849 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: