CVE-2016-2194: botan_project botan Improper Input Validation
CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2016-2194
Published 13-05-2016Last modified 05-08-2024
Vulnerability summary
CVE-2016-2194 is a high (CVSS 7.5) Improper Input Validation vulnerability in botan_project botan. EPSS estimates a 2.56% chance of exploitation in the next 30 days, higher than 84.9% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
2.56%
0%100%
Low · +0.11 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 5 · Related 2Timeline
- 13-05-2016PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The ressol function in Botan before 1.10.11 and 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (infinite loop) via unspecified input to the OS2ECP function, related to a composite modulus.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.56%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
+0.11 pp
From 2.44% on 21-09-2026
21-09-202621-10-2026
EPSS score2.56%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Botan_project1 product
- botan≤ 1.10.10 | 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
Debian1 product
- debian_linuxEOL8.0
Ubuntu1 product
- botan1.10< 1.10.5-1+deb7u1ubuntu0.14.04.1
3 vendors · 3 products