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CVE-2016-2194

25
FAUCET Score

CVE-2016-2194 describes a denial-of-service vulnerability in the ressol function of Botan versions prior to 1.10.11 and 1.11.27, affecting Botan and Debian Linux distributions. A remote attacker can trigger an infinite loop by providing specially crafted input to the OS2ECP function, specifically related to a composite modulus. This vulnerability has a CVSS v3 score of 7.5 (High), indicating a network-based attack with low complexity and high impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
<= 1.10.10CPE matchmatch criteria
cpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*
1.11.0CPE matchmatch criteria
cpe:2.3:a:botan_project:botan:1.11.0:*:*:*:*:*:*:*
1.11.1CPE matchmatch criteria
cpe:2.3:a:botan_project:botan:1.11.1:*:*:*:*:*:*:*
1.11.2CPE matchmatch criteria
cpe:2.3:a:botan_project:botan:1.11.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.56%
Probability of exploitation in next 30 days
EPSS Percentile
83.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0256 is in the 71st percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

botan.randombit.net / security.html
Vendor Advisory
marc.info
Vendor Advisory
marc.info
Vendor Advisory
security.gentoo.org / glsa/201612-38
debian.org / security/2016/dsa-3565