c
capnproto
Security Risk Profile
28
/100
lowSecurity Risk Score
Comprehensive risk assessment based on 9 vulnerabilities, EPSS scores, exploitation status, and remediation availability.
📅 Data spans from March 16, 2015 to present
9
Total CVEs
6
Critical+High
0
Exploited
2
Unpatched
Threat Assessment
Avg CVSS
7.7
Base severity
Avg EPSS
0%
Exploit probability
Unpatched
2
Critical/High
Risk Level
28/100
low
Severity Distribution
Critical
3High
3Medium
3Low
0Exploit Likelihood
>50% chance
020-50%
05-20%
0<5%
2Age Distribution
Common Weaknesses (CWE)
1
Integer Overflow
2
2
Input Validation
1
3
Integer Underflow
1
Most Affected Products
1. capnproto capnproto21
2. debian/capnproto10
3. debian/rust-capnp4
4. capnproto Capnp Rust3
5. rust/capnp3
Recent Vulnerabilities
See more →CVE-2026-32240
CVSS 6.3EPSS 0%medium
Cap'n Proto: Integer overflow in KJ-HTTP chunk size
Mar 12, 2026
CVE-2026-32239
CVSS 6.3EPSS 0%medium
Cap'n Proto has an integer overflow in KJ-HTTP
Mar 12, 2026
CVE-2023-48230
CVSS 9.8critical
Cap'n Proto WebSocket message can cause crash
Nov 21, 2023🔧 No Patch
CVE-2022-46149
CVSS 5.4medium
out-of-bounds read possible when setting list-of-pointers
Nov 30, 2022
CVE-2017-7892
CVSS 7.5high
Apr 17, 2017🔧 No Patch
CVE-2015-2313
CVSS 7.5high
Mar 16, 2015
CVE-2015-2312
CVSS 7.5high
Mar 16, 2015
CVE-2015-2311
CVSS 9.8critical
Mar 16, 2015
CVE-2015-2310
CVSS 9.1critical
Mar 16, 2015
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