| Package | Affected versions | Patched versions |
|---|---|---|
| ekiga | ≤ 4.0.0 | |
| portable tool library | = 2.10.1= 2.10.2= 2.10.7= 2.10.9 | |
| suse linux enterprise software development kit | = 11.0 |
The Portable Tool Library (aka PTLib) before 2.10.10, as used in Ekiga before 4.0.1, does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted PXML document containing a large number of nested entity references, aka a "billion laughs attack."
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