[Poppler-bugs] [Bug 101379] Very deep stack and long processing time in Catalog::getPage() (~30s)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101379

--- Comment #1 from dudul04 at yahoo.fr ---
OK, I see in Parser.cc that there's a mechanism to address excessive recursion
levels, but the limit (500) is fairly high. Couldn't it be extended with a
std::set<PairObjNumObjGen> visitedObjects to detect multiple visits to the same
object ? This is something I've just used in GDAL code (
https://trac.osgeo.org/gdal/changeset/39052 ) exploring PDF hierarchical
structure (StructTreeRoot entry. §10.6 of PDF 1.7 spec) to avoid similar
behaviour.

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