In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time.
Weakness
An algorithm in a product has an inefficient worst-case computational complexity that may be detrimental to system performance and can be triggered by an attacker, typically using crafted manipulations that ensure that the worst case is being reached.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Libexpat | Libexpat_project | * | 2.7.3 (including) |
| Cadaver | Ubuntu | plucky | * |
| Expat | Ubuntu | plucky | * |
| Libxmltok | Ubuntu | plucky | * |
| Matanza | Ubuntu | devel | * |
| Matanza | Ubuntu | esm-apps/focal | * |
| Matanza | Ubuntu | esm-apps/jammy | * |
| Matanza | Ubuntu | esm-apps/noble | * |
| Matanza | Ubuntu | jammy | * |
| Matanza | Ubuntu | noble | * |
| Matanza | Ubuntu | plucky | * |
| Matanza | Ubuntu | questing | * |
| Swish-e | Ubuntu | plucky | * |
| Tdom | Ubuntu | plucky | * |
| Wbxml2 | Ubuntu | plucky | * |
| Xmlrpc-c | Ubuntu | plucky | * |