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.
Metrics
Affected Vendors & Products
| Vendors | Products |
|---|---|
| Libexpat Project |
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References
| Link | Providers |
|---|---|
| https://github.com/libexpat/libexpat/pull/1272 |
|
History
Fri, 19 Jun 2026 04:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| First Time appeared |
Libexpat Project
Libexpat Project libexpat |
|
| Weaknesses | CWE-821 | |
| CPEs | cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Libexpat Project
Libexpat Project libexpat |
|
| References |
| |
| Metrics |
cvssV3_1
|
MITRE
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-06-19T03:00:42.975Z
Reserved: 2026-06-19T03:00:42.577Z
Link: CVE-2026-56132
Vulnrichment
No data.
NVD
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Redhat
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OpenCVE Enrichment
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