CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-56408

libexpat before 2.8.2 has an integer overflow in copyString.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 1.2%

CVSS Severity

CVSS v3 Score 6.9

References

https://github.com/libexpat/libexpat/commit/16e2efd867ea8567ffa012210b52ef5918e20817

Products affected by CVE-2026-56408

Libexpat Project » Libexpat » Version: N/A

cpe:2.3:a:libexpat_project:libexpat:-
Libexpat Project » Libexpat » Version: 1.95.0

cpe:2.3:a:libexpat_project:libexpat:1.95.0
Libexpat Project » Libexpat » Version: 1.95.1

cpe:2.3:a:libexpat_project:libexpat:1.95.1
Libexpat Project » Libexpat » Version: 1.95.2

cpe:2.3:a:libexpat_project:libexpat:1.95.2
Libexpat Project » Libexpat » Version: 1.95.3

cpe:2.3:a:libexpat_project:libexpat:1.95.3
Libexpat Project » Libexpat » Version: 1.95.4

cpe:2.3:a:libexpat_project:libexpat:1.95.4
Libexpat Project » Libexpat » Version: 1.95.5

cpe:2.3:a:libexpat_project:libexpat:1.95.5
Libexpat Project » Libexpat » Version: 1.95.6

cpe:2.3:a:libexpat_project:libexpat:1.95.6
Libexpat Project » Libexpat » Version: 1.95.7

cpe:2.3:a:libexpat_project:libexpat:1.95.7
Libexpat Project » Libexpat » Version: 1.95.8

cpe:2.3:a:libexpat_project:libexpat:1.95.8
Libexpat Project » Libexpat » Version: 2.0.0

cpe:2.3:a:libexpat_project:libexpat:2.0.0
Libexpat Project » Libexpat » Version: 2.0.1

cpe:2.3:a:libexpat_project:libexpat:2.0.1
Libexpat Project » Libexpat » Version: 2.1.0

cpe:2.3:a:libexpat_project:libexpat:2.1.0
Libexpat Project » Libexpat » Version: 2.1.1

cpe:2.3:a:libexpat_project:libexpat:2.1.1
Libexpat Project » Libexpat » Version: 2.2.0

cpe:2.3:a:libexpat_project:libexpat:2.2.0
Libexpat Project » Libexpat » Version: 2.2.1

cpe:2.3:a:libexpat_project:libexpat:2.2.1
Libexpat Project » Libexpat » Version: 2.2.10

cpe:2.3:a:libexpat_project:libexpat:2.2.10
Libexpat Project » Libexpat » Version: 2.2.2

cpe:2.3:a:libexpat_project:libexpat:2.2.2
Libexpat Project » Libexpat » Version: 2.2.3

cpe:2.3:a:libexpat_project:libexpat:2.2.3
Libexpat Project » Libexpat » Version: 2.2.4

cpe:2.3:a:libexpat_project:libexpat:2.2.4
Libexpat Project » Libexpat » Version: 2.2.5

cpe:2.3:a:libexpat_project:libexpat:2.2.5
Libexpat Project » Libexpat » Version: 2.2.6

cpe:2.3:a:libexpat_project:libexpat:2.2.6
Libexpat Project » Libexpat » Version: 2.2.7

cpe:2.3:a:libexpat_project:libexpat:2.2.7
Libexpat Project » Libexpat » Version: 2.2.8

cpe:2.3:a:libexpat_project:libexpat:2.2.8
Libexpat Project » Libexpat » Version: 2.2.9

cpe:2.3:a:libexpat_project:libexpat:2.2.9
Libexpat Project » Libexpat » Version: 2.3.0

cpe:2.3:a:libexpat_project:libexpat:2.3.0
Libexpat Project » Libexpat » Version: 2.4.0

cpe:2.3:a:libexpat_project:libexpat:2.4.0
Libexpat Project » Libexpat » Version: 2.4.1

cpe:2.3:a:libexpat_project:libexpat:2.4.1
Libexpat Project » Libexpat » Version: 2.4.3

cpe:2.3:a:libexpat_project:libexpat:2.4.3
Libexpat Project » Libexpat » Version: 2.4.4

cpe:2.3:a:libexpat_project:libexpat:2.4.4
Libexpat Project » Libexpat » Version: 2.4.5

cpe:2.3:a:libexpat_project:libexpat:2.4.5
Libexpat Project » Libexpat » Version: 2.4.6

cpe:2.3:a:libexpat_project:libexpat:2.4.6
Libexpat Project » Libexpat » Version: 2.4.7

cpe:2.3:a:libexpat_project:libexpat:2.4.7
Libexpat Project » Libexpat » Version: 2.4.8

cpe:2.3:a:libexpat_project:libexpat:2.4.8
Libexpat Project » Libexpat » Version: 2.4.9

cpe:2.3:a:libexpat_project:libexpat:2.4.9
Libexpat Project » Libexpat » Version: 2.5.0

cpe:2.3:a:libexpat_project:libexpat:2.5.0
Libexpat Project » Libexpat » Version: 2.6.0

cpe:2.3:a:libexpat_project:libexpat:2.6.0
Libexpat Project » Libexpat » Version: 2.6.1

cpe:2.3:a:libexpat_project:libexpat:2.6.1
Libexpat Project » Libexpat » Version: 2.6.2

cpe:2.3:a:libexpat_project:libexpat:2.6.2
Libexpat Project » Libexpat » Version: 2.6.3

cpe:2.3:a:libexpat_project:libexpat:2.6.3
Libexpat Project » Libexpat » Version: 2.6.4

cpe:2.3:a:libexpat_project:libexpat:2.6.4
Libexpat Project » Libexpat » Version: 2.7.0

cpe:2.3:a:libexpat_project:libexpat:2.7.0
Libexpat Project » Libexpat » Version: 2.7.1

cpe:2.3:a:libexpat_project:libexpat:2.7.1
Libexpat Project » Libexpat » Version: 2.7.2

cpe:2.3:a:libexpat_project:libexpat:2.7.2
Libexpat Project » Libexpat » Version: 2.7.3

cpe:2.3:a:libexpat_project:libexpat:2.7.3
Libexpat Project » Libexpat » Version: 2.7.4

cpe:2.3:a:libexpat_project:libexpat:2.7.4
Libexpat Project » Libexpat » Version: 2.7.5

cpe:2.3:a:libexpat_project:libexpat:2.7.5
Libexpat Project » Libexpat » Version: 2.8.0

cpe:2.3:a:libexpat_project:libexpat:2.8.0
Libexpat Project » Libexpat » Version: 2.8.1

cpe:2.3:a:libexpat_project:libexpat:2.8.1

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-56408

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