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gnu: t1lib: Fix CVE-2010-2642, CVE-2011-{0764, 1552, 1553, 1554}.

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* gnu/packages/fontutils.scm (t1lib)[source]: Add patches.
* gnu/packages/patches/t1lib-CVE-2010-2642.patch,
gnu/packages/patches/t1lib-CVE-2011-0764.patch,
gnu/packages/patches/t1lib-CVE-2011-1552+CVE-2011-1553+CVE-2011-1554.patch: New variables.
* gnu/local.mk (dist_patch_DATA): Add them.
This commit is contained in:
Efraim Flashner 2016-05-30 11:46:12 +03:00
parent 321dc4dfe4
commit 4f3e02f198
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GPG key ID: F4C1D3917EACEE93
5 changed files with 197 additions and 1 deletions
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32
gnu/packages/patches/t1lib-CVE-2011-0764.patch Normal file
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@ -0,0 +1,32 @@
Description: Don't lookup previous point if there isn't any
Author: Marc Deslauriers <marc.deslauriers@canonical.com>
Forwarded: no
Index: t1lib-5.1.2/lib/type1/type1.c
===================================================================
--- t1lib-5.1.2.orig/lib/type1/type1.c 2011-12-13 14:24:14.280965637 -0600
+++ t1lib-5.1.2/lib/type1/type1.c 2011-12-13 14:25:25.893320747 -0600
@@ -1700,6 +1700,7 @@
long pindex = 0;
/* compute hinting for previous segment! */
+ if (ppoints == NULL) Error0i("RLineTo: No previous point!\n");
FindStems( currx, curry, currx-ppoints[numppoints-2].x, curry-ppoints[numppoints-2].y, dx, dy);
/* Allocate a new path point and pre-setup data */
@@ -1728,6 +1729,7 @@
long pindex = 0;
/* compute hinting for previous point! */
+ if (ppoints == NULL) Error0i("RRCurveTo: No previous point!\n");
FindStems( currx, curry, currx-ppoints[numppoints-2].x, curry-ppoints[numppoints-2].y, dx1, dy1);
/* Allocate three new path points and pre-setup data */
@@ -1903,6 +1905,7 @@
FindStems( currx, curry, 0, 0, dx, dy);
}
else {
+ if (ppoints == NULL) Error0i("RMoveTo: No previous point!\n");
FindStems( currx, curry, ppoints[numppoints-2].x, ppoints[numppoints-2].y, dx, dy);
}