[SECURITY] [DLA 1297-1] freexl security update

[Bas Couwenberg <sebastic@debian.org>]

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Package        : freexl
Version        : 1.0.0b-1+deb7u5
CVE ID         : CVE-2018-7435 CVE-2018-7436 CVE-2018-7437 CVE-2018-7438
                 CVE-2018-7439


Leon reported five heap-based buffer-overflow vulnerabilities in FreeXL.

CVE-2018-7435

    There is a heap-based buffer over-read in the freexl::destroy_cell
    function.

CVE-2018-7436

    There is a heap-based buffer over-read in a pointer dereference of
    the parse_SST function.

CVE-2018-7437

    There is a heap-based buffer over-read in a memcpy call of the
    parse_SST function.

CVE-2018-7438

    There is a heap-based buffer over-read in the parse_unicode_string
    function.

CVE-2018-7439

    There is a heap-based buffer over-read in the function
    read_mini_biff_next_record.

For Debian 7 "Wheezy", these problems have been fixed in version
1.0.0b-1+deb7u5.

We recommend that you upgrade your freexl packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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