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