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a52fed3d45
* Add libdeflate for improved performance as dependency * Add zstd as dependency, this is the default in Alpine, Arch Linux, Debian, Fedora and OpenSUSE * Backport upstream commit dd1bcc7abb26094e93636e85520f0d8f81ab0fab to fix CVE-2022-2056, CVE-2022-2057 and CVE-2022-2058 * Backport upstream commit 275735d0354e39c0ac1dc3c0db2120d6f31d1990 to fix CVE-2022-34526 PR: 265164 Approved by: portmgr (antoine) Exp-run by: antoine
28 lines
894 B
Text
28 lines
894 B
Text
From 275735d0354e39c0ac1dc3c0db2120d6f31d1990 Mon Sep 17 00:00:00 2001
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From: Even Rouault <even.rouault@spatialys.com>
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Date: Mon, 27 Jun 2022 16:09:43 +0200
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Subject: [PATCH] _TIFFCheckFieldIsValidForCodec(): return FALSE when passed a
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codec-specific tag and the codec is not configured (fixes #433)
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This avoids crashes when querying such tags
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---
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libtiff/tif_dirinfo.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/libtiff/tif_dirinfo.c b/libtiff/tif_dirinfo.c
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index c30f569b..3371cb5c 100644
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--- libtiff/tif_dirinfo.c
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+++ libtiff/tif_dirinfo.c
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@@ -1191,6 +1191,9 @@ _TIFFCheckFieldIsValidForCodec(TIFF *tif, ttag_t tag)
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default:
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return 1;
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}
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+ if( !TIFFIsCODECConfigured(tif->tif_dir.td_compression) ) {
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+ return 0;
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+ }
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/* Check if codec specific tags are allowed for the current
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* compression scheme (codec) */
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switch (tif->tif_dir.td_compression) {
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--
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GitLab
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