diff options
Diffstat (limited to 'meta/recipes-extended/ghostscript/ghostscript/CVE-2016-10219.patch')
-rw-r--r-- | meta/recipes-extended/ghostscript/ghostscript/CVE-2016-10219.patch | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/meta/recipes-extended/ghostscript/ghostscript/CVE-2016-10219.patch b/meta/recipes-extended/ghostscript/ghostscript/CVE-2016-10219.patch deleted file mode 100644 index 574abe0e42..0000000000 --- a/meta/recipes-extended/ghostscript/ghostscript/CVE-2016-10219.patch +++ /dev/null @@ -1,49 +0,0 @@ -From 4bef1a1d32e29b68855616020dbff574b9cda08f Mon Sep 17 00:00:00 2001 -From: Robin Watts <Robin.Watts@artifex.com> -Date: Thu, 29 Dec 2016 15:57:43 +0000 -Subject: [PATCH] Bug 697453: Avoid divide by 0 in scan conversion code. - -Arithmetic overflow due to extreme values in the scan conversion -code can cause a division by 0. - -Avoid this with a simple extra check. - - dx_old=cf814d81 - endp->x_next=b0e859b9 - alp->x_next=8069a73a - -leads to dx_den = 0 - -Upstream-Status: Backport -CVE: CVE-2016-10219 - -Signed-off-by: Catalin Enache <catalin.enache@windriver.com> ---- - base/gxfill.c | 4 ++-- - 1 file changed, 2 insertions(+), 2 deletions(-) - -diff --git a/base/gxfill.c b/base/gxfill.c -index 99196c0..2f81bb0 100644 ---- a/base/gxfill.c -+++ b/base/gxfill.c -@@ -1741,7 +1741,7 @@ intersect(active_line *endp, active_line *alp, fixed y, fixed y1, fixed *p_y_new - fixed dx_old = alp->x_current - endp->x_current; - fixed dx_den = dx_old + endp->x_next - alp->x_next; - -- if (dx_den <= dx_old) -+ if (dx_den <= dx_old || dx_den == 0) - return false; /* Intersection isn't possible. */ - dy = y1 - y; - if_debug3('F', "[F]cross: dy=%g, dx_old=%g, dx_new=%g\n", -@@ -1750,7 +1750,7 @@ intersect(active_line *endp, active_line *alp, fixed y, fixed y1, fixed *p_y_new - /* Do the computation in single precision */ - /* if the values are small enough. */ - y_new = -- ((dy | dx_old) < 1L << (size_of(fixed) * 4 - 1) ? -+ (((ufixed)(dy | dx_old)) < (1L << (size_of(fixed) * 4 - 1)) ? - dy * dx_old / dx_den : - (INCR_EXPR(mq_cross), fixed_mult_quo(dy, dx_old, dx_den))) - + y; --- -2.10.2 - |