From dc44ed5f5b5d4540269638583f10f70518e5a67b Mon Sep 17 00:00:00 2001
From: olszomal <Malgorzata.Olszowka@stunnel.org>
Date: Fri, 26 May 2023 10:31:37 +0200
Subject: [PATCH] Fix CFFOLDER hashing

---
 cab.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cab.c b/cab.c
index e6e8cdd..50cc860 100644
--- a/cab.c
+++ b/cab.c
@@ -274,7 +274,7 @@ static u_char *cab_digest_calc(FILE_FORMAT_CTX *ctx, const EVP_MD *md)
          * (u8 * cFolders) CFFOLDER - structure contains information about
          * one of the folders or partial folders stored in this cabinet file
          */
-        while (nfolders) {
+        while (nfolders && idx < fileend) {
             BIO_write(bhash, ctx->options->indata + idx, 8);
             idx += 8;
             nfolders--;