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Ignore 'endobj' commands inside of ObjStm streams (issue 5241, bug 898610, bug 1037816)

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According to an example in the PDF specification, see http://www.adobe.com/content/dam/Adobe/en/devnet/acrobat/pdfs/PDF32000_2008.pdf#page=56, an `ObjStm` stream should not contain 'endobj' commands.

Fixes 5241.
Fixes https://bugzilla.mozilla.org/show_bug.cgi?id=898610.
Fixes https://bugzilla.mozilla.org/show_bug.cgi?id=1037816.
This commit is contained in:
Jonas Jenwald 2016-05-08 18:28:18 +02:00
parent 5f59d079e0
commit 182d33800a
3 changed files with 15 additions and 0 deletions
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5
src/core/obj.js
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@ -1175,6 +1175,11 @@ var XRef = (function XRefClosure() {
// read stream objects for cache
for (i = 0; i < n; ++i) {
entries.push(parser.getObj());
// The ObjStm should not contain 'endobj'. If it's present, skip over it
// to support corrupt PDFs (fixes issue 5241, bug 898610, bug 1037816).
if (isCmd(parser.buf1, 'endobj')) {
parser.shift();
}
num = nums[i];
var entry = this.entries[num];
if (entry && entry.offset === tableOffset && entry.gen === i) {