diff --git a/app-text/tetex/files/tetex-3.0_p1-xpdf-vulnerabilities.patch b/app-text/tetex/files/tetex-3.0_p1-xpdf-vulnerabilities.patch
deleted file mode 100644
--- a/app-text/tetex/files/tetex-3.0_p1-xpdf-vulnerabilities.patch
+++ /dev/null
@@ -1,140 +0,0 @@
---- tetex-src-3.0/libs/xpdf/xpdf/JPXStream.cc.old	2006-01-22 16:55:56.000000000 +0100
-+++ tetex-src-3.0/libs/xpdf/xpdf/JPXStream.cc	2006-01-22 16:56:09.000000000 +0100
-@@ -7,6 +7,7 @@
- //========================================================================
- 
- #include <aconf.h>
-+#include <limits.h>
- 
- #ifdef USE_GCC_PRAGMAS
- #pragma implementation
---- tetex-src-3.0/libs/xpdf/xpdf/Stream.cc.old	2006-01-22 16:57:41.000000000 +0100
-+++ tetex-src-3.0/libs/xpdf/xpdf/Stream.cc	2006-01-22 17:08:11.000000000 +0100
-@@ -7,6 +7,7 @@
- //========================================================================
- 
- #include <aconf.h>
-+#include <limits.h>
- 
- #ifdef USE_GCC_PRAGMAS
- #pragma implementation
-@@ -1275,8 +1276,9 @@
-   endOfLine = endOfLineA;
-   byteAlign = byteAlignA;
-   columns = columnsA;
--  if (columns < 1) {
--    columns = 1;
-+  if (columns < 1 || columns >= INT_MAX / sizeof(short)) {
-+    error (-1, "invalid number of columns: %d\n", columns);
-+    exit (1);
-   }
-   rows = rowsA;
-   endOfBlock = endOfBlockA;
-@@ -2952,6 +2954,10 @@
-   height = read16();
-   width = read16();
-   numComps = str->getChar();
-+  if (numComps <= 0 || numComps > 4) {
-+    error(getPos(), "Bad number of components in DCT stream", prec);
-+    return gFalse;
-+  }
-   if (prec != 8) {
-     error(getPos(), "Bad DCT precision %d", prec);
-     return gFalse;
-@@ -2974,6 +2979,11 @@
- 
-   length = read16() - 2;
-   scanInfo.numComps = str->getChar();
-+  if (scanInfo.numComps <= 0 || scanInfo.numComps > 4) {
-+    scanInfo.numComps = 0;
-+    error(getPos(), "Bad number of components in DCT stream");
-+    return gFalse;
-+  }
-   --length;
-   if (length != 2 * scanInfo.numComps + 3) {
-     error(getPos(), "Bad DCT scan info block");
-@@ -3058,12 +3068,12 @@
-   while (length > 0) {
-     index = str->getChar();
-     --length;
--    if ((index & 0x0f) >= 4) {
-+    if ((index & 0x10) >= 4 || (index & 0x10) < 0) {
-       error(getPos(), "Bad DCT Huffman table");
-       return gFalse;
-     }
-     if (index & 0x10) {
--      index &= 0x0f;
-+      index &= 0x03;
-       if (index >= numACHuffTables)
- 	numACHuffTables = index+1;
-       tbl = &acHuffTables[index];
-@@ -3181,9 +3191,11 @@
-   do {
-     do {
-       c = str->getChar();
-+      if (c == EOF) return EOF;
-     } while (c != 0xff && c != EOF);
-     do {
-       c = str->getChar();
-+      if (c == EOF) return EOF;
-     } while (c == 0xff);
-   } while (c == 0x00);
-   return c;
---- tetex-src-3.0/libs/xpdf/xpdf/JBIG2Stream.cc.old	2006-01-22 17:08:49.000000000 +0100
-+++ tetex-src-3.0/libs/xpdf/xpdf/JBIG2Stream.cc	2006-01-22 17:15:41.000000000 +0100
-@@ -7,6 +7,7 @@
- //========================================================================
- 
- #include <aconf.h>
-+#include <limits.h>
- 
- #ifdef USE_GCC_PRAGMAS
- #pragma implementation
-@@ -681,6 +682,11 @@
-   w = wA;
-   h = hA;
-   line = (wA + 7) >> 3;
-+  if (h < 0 || line <= 0 || h >= (INT_MAX - 1) / line) {
-+    error(-1, "invalid width/height");
-+    data = NULL;
-+    return;
-+  }
-   // need to allocate one extra guard byte for use in combine()
-   data = (Guchar *)gmalloc(h * line + 1);
-   data[h * line] = 0;
-@@ -692,6 +698,11 @@
-   w = bitmap->w;
-   h = bitmap->h;
-   line = bitmap->line;
-+  if (h < 0 || line <= 0 || h >= (INT_MAX - 1) / line) {
-+    error(-1, "invalid width/height");
-+    data = NULL;
-+    return;
-+  }
-   // need to allocate one extra guard byte for use in combine()
-   data = (Guchar *)gmalloc(h * line + 1);
-   memcpy(data, bitmap->data, h * line);
-@@ -720,7 +731,10 @@
- }
- 
- void JBIG2Bitmap::expand(int newH, Guint pixel) {
--  if (newH <= h) {
-+  if (newH <= h || line <= 0 || newH >= (INT_MAX - 1) / line) {
-+    error(-1, "invalid width/height");
-+    gfree(data);
-+    data = NULL;
-     return;
-   }
-   // need to allocate one extra guard byte for use in combine()
-@@ -2936,6 +2950,11 @@
-   JBIG2BitmapPtr tpgrCXPtr0, tpgrCXPtr1, tpgrCXPtr2;
-   int x, y, pix;
- 
-+  if (w < 0 || h <= 0 || w >= INT_MAX / h) {
-+    error(-1, "invalid width/height");
-+    return NULL;
-+  }
-+
-   bitmap = new JBIG2Bitmap(0, w, h);
-   bitmap->clearToZero();
-