[poppler] poppler/FlateStream.cc

[GitLab Mirror]

 poppler/FlateStream.cc |    4 ++++
 1 file changed, 4 insertions(+)

New commits:
commit 6d72d8242cafe92d5c0c6a04b51f7e85108c450a
Author: Albert Astals Cid <aacid at kde.org>
Date:   Fri Nov 5 10:50:11 2021 +0100

    Fix crash on broken files when using non-default ENABLE_ZLIB_UNCOMPRESS
    
    Fixes issue #393

diff --git a/poppler/FlateStream.cc b/poppler/FlateStream.cc
index 6d49882d..a97b687b 100644
--- a/poppler/FlateStream.cc
+++ b/poppler/FlateStream.cc
@@ -23,6 +23,10 @@ FlateStream::FlateStream(Stream *strA, int predictor, int columns, int colors, i
 {
     if (predictor != 1) {
         pred = new StreamPredictor(this, predictor, columns, colors, bits);
+        if (!pred->isOk()) {
+            delete pred;
+            pred = nullptr;
+        }
     } else {
         pred = NULL;
     }