l
libevent
Security Risk Profile
44
/100
mediumSecurity Risk Score
Comprehensive risk assessment based on 24 vulnerabilities, EPSS scores, exploitation status, and remediation availability.
📅 Data spans from February 2, 2017 to present
24
Total CVEs
15
Critical+High
0
Exploited
9
Unpatched
Threat Assessment
Avg CVSS
6.5
Base severity
Avg EPSS
0%
Exploit probability
Unpatched
9
Critical/High
Risk Level
44/100
medium
Severity Distribution
Critical
2High
13Medium
7Low
1Exploit Likelihood
>50% chance
020-50%
05-20%
0<5%
0Age Distribution
Common Weaknesses (CWE)
1
Use After Free
3
2
Buffer Overflow
3
3
Integer Overflow
1
4
Null Pointer Dereference
1
Most Affected Products
1. libevent libevent26
2. debian/libevent7
3. IBM Cloud Pak for Data System (Yosemite 1.0)7
4. libevent libevent evhttp2
5. IBM MQ Operator1
Recent Vulnerabilities
See more →REDHAT-BUG-2520666
CVSS 7.0high
Aug 20, 2026🔧 No Patch
REDHAT-BUG-2520667
CVSS 4.0medium
Aug 20, 2026🔧 No Patch
REDHAT-BUG-2520661
CVSS 7.0high
Aug 20, 2026🔧 No Patch
REDHAT-BUG-2520660
CVSS 7.0high
Aug 20, 2026🔧 No Patch
REDHAT-BUG-2520657
CVSS 4.0medium
Aug 20, 2026🔧 No Patch
REDHAT-BUG-2520655
CVSS 7.0high
Aug 20, 2026🔧 No Patch
REDHAT-BUG-2520658
CVSS 7.0high
Aug 20, 2026🔧 No Patch
REDHAT-BUG-2520654
CVSS 7.0high
Aug 20, 2026🔧 No Patch
CVE-2026-63385
CVSS 9.2critical
Libevent: HTTP header handling bugs create risk of access control bypass.
Aug 20, 2026
CVE-2026-63379
CVSS 6.3medium
Libevent: HTTP Header smuggling
Aug 20, 2026🔧 No Patch
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