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openSUSE:Leap:42.3:Update
zziplib.9031
CVE-2018-7725.patch
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File CVE-2018-7725.patch of Package zziplib.9031
Index: zziplib-0.13.67/zzip/memdisk.c =================================================================== --- zziplib-0.13.67.orig/zzip/memdisk.c +++ zziplib-0.13.67/zzip/memdisk.c @@ -210,6 +210,14 @@ zzip_mem_entry_new(ZZIP_DISK * disk, ZZI item->zz_filetype = zzip_disk_entry_get_filetype(entry); /* + * If zz_data+zz_csize exceeds the size of the file, bail out + */ + if ((item->zz_data + item->zz_csize) < disk->buffer || + (item->zz_data + item->zz_csize) >= disk->endbuf) + { + goto error; + } + /* * If the file is uncompressed, zz_csize and zz_usize should be the same * If they are not, we cannot guarantee that either is correct, so ... */
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