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-rw-r--r--gnu/packages/patches/poppler-CVE-2015-8868.patch30
1 files changed, 30 insertions, 0 deletions
diff --git a/gnu/packages/patches/poppler-CVE-2015-8868.patch b/gnu/packages/patches/poppler-CVE-2015-8868.patch
new file mode 100644
index 0000000000..ac78d32ffa
--- /dev/null
+++ b/gnu/packages/patches/poppler-CVE-2015-8868.patch
@@ -0,0 +1,30 @@
+Fixes CVE-2015-8868 (heap overflow).
+
+Upstream source:
+https://cgit.freedesktop.org/poppler/poppler/commit/?id=b3425dd3261679958cd56c0f71995c15d2124433
+
+From b3425dd3261679958cd56c0f71995c15d2124433 Mon Sep 17 00:00:00 2001
+From: Albert Astals Cid <aacid@kde.org>
+Date: Tue, 22 Dec 2015 22:50:33 +0100
+Subject: Do not crash on invalid files
+
+Bug #93476
+
+diff --git a/poppler/Function.cc b/poppler/Function.cc
+index 67283df..ee5afc1 100644
+--- a/poppler/Function.cc
++++ b/poppler/Function.cc
+@@ -577,6 +577,10 @@ ExponentialFunction::ExponentialFunction(Object *funcObj, Dict *dict) {
+       goto err2;
+     }
+     n = obj1.arrayGetLength();
++    if (unlikely(n > funcMaxOutputs)) {
++      error(errSyntaxError, -1, "Function's C0 array is wrong length");
++      n = funcMaxOutputs;
++    }
+     for (i = 0; i < n; ++i) {
+       obj1.arrayGet(i, &obj2);
+       if (!obj2.isNum()) {
+-- 
+cgit v0.10.2
+