diff options
Diffstat (limited to 'third_party/libtiff/0019-fix-invalid-reads-TIFFFetchNormalTag.patch')
| -rw-r--r-- | third_party/libtiff/0019-fix-invalid-reads-TIFFFetchNormalTag.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/third_party/libtiff/0019-fix-invalid-reads-TIFFFetchNormalTag.patch b/third_party/libtiff/0019-fix-invalid-reads-TIFFFetchNormalTag.patch new file mode 100644 index 0000000000..9ebb7ef8db --- /dev/null +++ b/third_party/libtiff/0019-fix-invalid-reads-TIFFFetchNormalTag.patch @@ -0,0 +1,28 @@ +diff --git a/third_party/libtiff/tif_dirread.c b/third_party/libtiff/tif_dirread.c +index bc4102184..0e3f8ccd4 100644 +--- a/third_party/libtiff/tif_dirread.c ++++ b/third_party/libtiff/tif_dirread.c +@@ -4983,6 +4983,11 @@ TIFFFetchNormalTag(TIFF* tif, TIFFDirEntry* dp, int recover) + if (err==TIFFReadDirEntryErrOk) + { + int m; ++ if( dp->tdir_count > 0 && data[dp->tdir_count-1] != '\0' ) ++ { ++ TIFFWarningExt(tif->tif_clientdata,module,"ASCII value for tag \"%s\" does not end in null byte. Forcing it to be null",fip->field_name); ++ data[dp->tdir_count-1] = '\0'; ++ } + m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data); + if (data!=0) + _TIFFfree(data); +@@ -5155,6 +5160,11 @@ TIFFFetchNormalTag(TIFF* tif, TIFFDirEntry* dp, int recover) + if (err==TIFFReadDirEntryErrOk) + { + int m; ++ if( dp->tdir_count > 0 && data[dp->tdir_count-1] != '\0' ) ++ { ++ TIFFWarningExt(tif->tif_clientdata,module,"ASCII value for tag \"%s\" does not end in null byte. Forcing it to be null",fip->field_name); ++ data[dp->tdir_count-1] = '\0'; ++ } + m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data); + if (data!=0) + _TIFFfree(data); |