CVE-2026-56132
MEDIUM
6.9
CVSS 3.1
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.
Metadata
Severity & Metrics
6.9
MEDIUM CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| libexpat project | libexpat | — | 0 < 2.8.2 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-821 | cna | CWE-821 Incorrect Synchronization |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 6.9 | MEDIUM | 3.1 | cna | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L |
References (1)