l
libexpat project
Security Risk Profile
53
/100
mediumSecurity Risk Score
Comprehensive risk assessment based on 64 vulnerabilities, EPSS scores, exploitation status, and remediation availability.
📅 Data spans from January 17, 2009 to present
64
Total CVEs
35
Critical+High
0
Exploited
1
Unpatched
Threat Assessment
Avg CVSS
7.3
Base severity
Avg EPSS
0%
Exploit probability
Unpatched
1
Critical/High
Risk Level
53/100
medium
Severity Distribution
Critical
11High
24Medium
28Low
1Exploit Likelihood
>50% chance
020-50%
05-20%
0<5%
6Age Distribution
Common Weaknesses (CWE)
1
Integer Overflow
26
2
Use After Free
9
3
Buffer Overflow
7
4
Input Validation
4
5
XEE
4
Most Affected Products
1. redhat/expat83
2. Libexpat Project Libexpat81
3. debian/expat57
4. Debian Debian Linux45
5. Python Python31
Recent Vulnerabilities
See more →CVE-2026-76957
CVSS 7.8high
Aug 20, 2026
CVE-2026-76956
CVSS 7.5high
Aug 20, 2026
CVE-2026-66046
CVSS 8.7high
Expat Denial of Service via storeAtts() Quadratic Complexity
Aug 18, 2026
CVE-2026-56412
CVSS 5.9medium
Jun 21, 2026
CVE-2026-56411
CVSS 6.9medium
Jun 21, 2026
CVE-2026-56410
CVSS 6.9medium
Jun 21, 2026
CVE-2026-56409
CVSS 6.5medium
Jun 21, 2026
CVE-2026-56408
CVSS 6.9medium
Jun 21, 2026
CVE-2026-56407
CVSS 6.9medium
Jun 21, 2026
CVE-2026-56406
CVSS 6.9medium
Jun 21, 2026
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