In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation.
| Version | Score | Severity | Vector String |
|---|---|---|---|
| 3.1 | 6.9 | Medium | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L |