From 89262dafca5ef0ba7fcb8e1ac23fad223ece47f7 Mon Sep 17 00:00:00 2001
From: orbisai0security <mediratta01.pally@gmail.com>
Date: Sun, 31 May 2026 12:24:21 +0000
Subject: [PATCH] fix: V-002 security vulnerability

Automated security fix generated by OrbisAI Security
---
 C/filters/edge_detect.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/C/filters/edge_detect.c b/C/filters/edge_detect.c
index 5669b77..19653ef 100644
--- a/C/filters/edge_detect.c
+++ b/C/filters/edge_detect.c
@@ -8,7 +8,9 @@ static void do_edge_boost(uint8_t *gray, int w, int h, void *ctx) {
   int strength = ctx ? *(int *)ctx : 128;
 
   // Unsharp mask: sharpened = original + (original - blurred) * strength
-  uint8_t *tmp = malloc(w * h);
+  if (h <= 0 || w <= 0)
+    return;
+  uint8_t *tmp = calloc((size_t)w, (size_t)h);
   if (!tmp)
     return;