guix-devel/gnu/packages/patches/libwmf-CVE-2007-3477.patch

43 lines
780 B
Diff

Copied from Fedora.
http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2007-3477.patch
--- libwmf-0.2.8.4/src/extra/gd/gd.c
+++ libwmf-0.2.8.4/src/extra/gd/gd.c
@@ -1335,10 +1335,31 @@
int w2, h2;
w2 = w / 2;
h2 = h / 2;
- while (e < s)
- {
- e += 360;
- }
+
+ if ((s % 360) == (e % 360)) {
+ s = 0; e = 360;
+ } else {
+ if (s > 360) {
+ s = s % 360;
+ }
+
+ if (e > 360) {
+ e = e % 360;
+ }
+
+ while (s < 0) {
+ s += 360;
+ }
+
+ while (e < s) {
+ e += 360;
+ }
+
+ if (s == e) {
+ s = 0; e = 360;
+ }
+ }
+
for (i = s; (i <= e); i++)
{
int x, y;