libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen.
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://github.com/libexpat/libexpat/pull/1262 |
|
History
Sun, 21 Jun 2026 18:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Integer Overflow in libexpat XML Parser |
Sun, 21 Jun 2026 16:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen. | |
| First Time appeared |
Libexpat Project
Libexpat Project libexpat |
|
| Weaknesses | CWE-190 | |
| CPEs | cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Libexpat Project
Libexpat Project libexpat |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: mitre
Published: 2026-06-21T15:49:35.779Z
Updated: 2026-06-21T15:49:35.779Z
Reserved: 2026-06-21T15:49:35.402Z
Link: CVE-2026-56407
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