diff options
Diffstat (limited to 'source/l/libtiff/patches/CVE-2022-34526.patch')
| -rw-r--r-- | source/l/libtiff/patches/CVE-2022-34526.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/source/l/libtiff/patches/CVE-2022-34526.patch b/source/l/libtiff/patches/CVE-2022-34526.patch new file mode 100644 index 000000000..cb3a4d3c7 --- /dev/null +++ b/source/l/libtiff/patches/CVE-2022-34526.patch @@ -0,0 +1,28 @@ +From 275735d0354e39c0ac1dc3c0db2120d6f31d1990 Mon Sep 17 00:00:00 2001 +From: Even Rouault <even.rouault@spatialys.com> +Date: Mon, 27 Jun 2022 16:09:43 +0200 +Subject: [PATCH] _TIFFCheckFieldIsValidForCodec(): return FALSE when passed a + codec-specific tag and the codec is not configured (fixes #433) + +This avoids crashes when querying such tags +--- + libtiff/tif_dirinfo.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/libtiff/tif_dirinfo.c b/libtiff/tif_dirinfo.c +index c30f569b..3371cb5c 100644 +--- a/libtiff/tif_dirinfo.c ++++ b/libtiff/tif_dirinfo.c +@@ -1191,6 +1191,9 @@ _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) { +-- +GitLab + |