What’s Vulnerable › Vulnerabilities

CVE-2024-22368

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-01-09 · updated 2026-06-17

Description

The Spreadsheet::ParseXLSX package before 0.28 for Perl can encounter an out-of-memory condition during parsing of a crafted XLSX document. This occurs because the memoize implementation does not have appropriate constraints on merged cells.

Affected products

• Tozt Spreadsheet::Parsexlsx: before 0.28 — fixed in 0.28

How to fix

Upgrade to a fixed version: Tozt Spreadsheet::Parsexlsx 0.28. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2024/01/10/2
• https://github.com/haile01/perl_spreadsheet_excel_rce_poc/blob/main/parse_xlsx_bomb.md
• https://lists.debian.org/debian-lts-announce/2024/01/msg00018.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6R7NYWVVZYDZIQC5YEXNHZM6VEE26SJV/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNJVC4C5C5V44DNOZ5BHVU53CDXPB2OJ/
• https://metacpan.org/dist/Spreadsheet-ParseXLSX/changes
• https://security.metacpan.org/2024/02/10/vulnerable-spreadsheet-parsing-modules.html
• http://www.openwall.com/lists/oss-security/2024/01/10/2
• https://github.com/haile01/perl_spreadsheet_excel_rce_poc/blob/main/parse_xlsx_bomb.md
• https://lists.debian.org/debian-lts-announce/2024/01/msg00018.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6R7NYWVVZYDZIQC5YEXNHZM6VEE26SJV/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNJVC4C5C5V44DNOZ5BHVU53CDXPB2OJ/

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