From 5d28011c40ec86cf52cffad541093d37c263898a Mon Sep 17 00:00:00 2001
From: Dan Fandrich <dan@coneharvesters.com>
Date: Fri, 20 Apr 2018 18:05:19 +0200
Subject: [PATCH] Reduce maximum recursion depth in exif_data_load_data_content
This only needs to be a small, single digit integer for normal files,
and reducing the maximum closer to this reduces the time and space
needed to detect pathological cases.
---
libexif/exif-data.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libexif/exif-data.c b/libexif/exif-data.c
index 91f4c33..04cdda2 100644
--- a/libexif/exif-data.c
+++ b/libexif/exif-data.c
@@ -378,7 +378,7 @@ exif_data_load_data_content (ExifData *data, ExifIfd ifd,
if ((((int)ifd) < 0) || ( ((int)ifd) >= EXIF_IFD_COUNT))
return;
- if (recursion_depth > 30) {
+ if (recursion_depth > 12) {
exif_log (data->priv->log, EXIF_LOG_CODE_CORRUPT_DATA, "ExifData",
"Deep recursion detected!");
return;