c7966ba3ef
* gnu/packages/patches/libtiff-CVE-2022-34526.patch: New file. * gnu/local.mk (dist_patch_DATA): Adjust accordingly. * gnu/packages/image.scm (libtiff)[source](patches): New field.
23 lines
696 B
Diff
23 lines
696 B
Diff
Fix CVE-2022-34526:
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https://nvd.nist.gov/vuln/detail/CVE-2022-34526
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https://gitlab.com/libtiff/libtiff/-/issues/433
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Patch taken from upstream source repository:
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https://gitlab.com/libtiff/libtiff/-/commit/275735d0354e39c0ac1dc3c0db2120d6f31d1990
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diff --git a/libtiff/tif_dirinfo.c b/libtiff/tif_dirinfo.c
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--- a/libtiff/tif_dirinfo.c
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+++ b/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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