An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX).
Se descubrió un problema en libexpat anterior a 2.6.3. dtdCopy en xmlparse.c puede tener un desbordamiento de entero para nDefaultAtts en plataformas de 32 bits (donde UINT_MAX es igual a SIZE_MAX).
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | NETWORK |
|---|---|
| Attack Complexity | LOW |
| Privileges Required | NONE |
| User Interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality Impact | HIGH |
| Integrity Impact | HIGH |
| Availability Impact | HIGH |
| Source | Type | Description |
|---|---|---|
| [email protected] | Primary |
en
CWE-190
|
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary |
en
CWE-190
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| libexpat_project | libexpat | * | <built-in method update of dict object at 0x72a958195a40> | Application |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* |