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From 3fc1fdda0068981340cc7ae136173731275e2c5e Mon Sep 17 00:00:00 2001
From: Hitendra Prajapati <hprajapati@mvista.com>
Date: Thu, 18 Aug 2022 10:46:30 +0530
Subject: [PATCH] CVE-2022-34526
Upstream-Status: Backport [https://gitlab.com/libtiff/libtiff/-/commit/275735d0354e39c0ac1dc3c0db2120d6f31d1990]
CVE: CVE-2022-34526
Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
---
libtiff/tif_dirinfo.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libtiff/tif_dirinfo.c b/libtiff/tif_dirinfo.c
index 8565dfb..0f722a5 100644
--- a/libtiff/tif_dirinfo.c
+++ b/libtiff/tif_dirinfo.c
@@ -1157,6 +1157,9 @@ _TIFFCheckFieldIsValidForCodec(TIFF *tif, ttag_t tag)
default:
return 1;
}
+ if( !TIFFIsCODECConfigured(tif->tif_dir.td_compression) ) {
+ return 0;
+ }
/* Check if codec specific tags are allowed for the current
* compression scheme (codec) */
switch (tif->tif_dir.td_compression) {
--
2.25.1
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