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2 Commits

Author SHA1 Message Date
Nick Wellnhofer
a41b09c739 parser: Improve detection of entity loops 
Set a flag to detect entity loops at once instead of processing until
the depth limit is exceeded.
 2022-12-23 22:11:18 +01:00
Nick Wellnhofer
899a5d9f0e Detect infinite recursion in parameter entities 
When expanding a parameter entity in a DTD, infinite recursion could
lead to an infinite loop or memory exhaustion.

Thanks to Wei Lei for the first of many reports.

Fixes bug 759579.
 2017-07-25 15:21:12 +02:00