From 786a8b6fd1384c6e20c17729822d1f61ed569320 Mon Sep 17 00:00:00 2001 From: Hitendra Prajapati 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 --- 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) {