CVE 2022-44638 An integer overflow in pixman mat lead to out-of-bounds

write.
2022-11-06 11:33:13 +00:00 · 2022-11-06 11:33:13 +00:00 · b8a32f8027
parent 30af583c38
commit b8a32f8027
1 changed files with 1 additions and 1 deletions
--- a/lib/pixman/pixman/pixman-trap.c
+++ b/lib/pixman/pixman/pixman-trap.c
@ -74,7 +74,7 @@ pixman_sample_floor_y (pixman_fixed_t y,

    if (f < Y_FRAC_FIRST (n))
    {
-	if (pixman_fixed_to_int (i) == 0x8000)
+	if (pixman_fixed_to_int (i) == 0xffff8000)
 	{
 	    f = 0; /* saturate */
 	}