CVE-2026-56132
- State
- Published
- Severity
- 6.9 Medium
- Published
- Jun 19, 2026
- Updated
- Jun 22, 2026
- Reserved
- Jun 19, 2026
Description
In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.9 Medium | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L | mitre |
Weaknesses
- CWE-821 Incorrect Synchronization
Affected Products
| Product | Versions |
|---|---|
libexpatlibexpat project |
|
References
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