USN-6769-1: Spreadsheet::ParseXLSX vulnerabilities

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)

attacker configuration cve cve-2024 default denial of service entities external issue large manage memory merge operations service spreadsheet usn vulnerabilities