==========================================================================
Ubuntu Security Notice USN-6769-1
May 09, 2024

libspreadsheet-parsexlsx-perl vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in libspreadsheet-parsexlsx-perl.

Software Description:
- libspreadsheet-parsexlsx-perl: Perl module to parse XLSX files

Details:

Le Dinh Hai discovered that Spreadsheet::ParseXLSX did not properly manage
memory during cell merge operations. An attacker could possibly use this
issue to consume large amounts of memory, resulting in a denial of service
condition. (CVE-2024-22368)

An Pham discovered that Spreadsheet::ParseXLSX allowed the processing of
external entities in a default configuration. An attacker could possibly
use this vulnerability to execute an XML External Entity (XXE) injection
attack. (CVE-2024-23525)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.10
   libspreadsheet-parsexlsx-perl   0.27-3+deb12u2build0.23.10.1

Ubuntu 22.04 LTS
   libspreadsheet-parsexlsx-perl   0.27-2.1+deb11u2build0.22.04.1

Ubuntu 20.04 LTS
   libspreadsheet-parsexlsx-perl   0.27-2+deb10u1build0.20.04.1

In general, a standard system update will make all the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-6769-1
   CVE-2024-22368, CVE-2024-23525

Package Information:
https://launchpad.net/ubuntu/+source/libspreadsheet-parsexlsx-perl/0.27-3+deb12u2build0.23.10.1
https://launchpad.net/ubuntu/+source/libspreadsheet-parsexlsx-perl/0.27-2.1+deb11u2build0.22.04.1
https://launchpad.net/ubuntu/+source/libspreadsheet-parsexlsx-perl/0.27-2+deb10u1build0.20.04.1