CVE-2026-59933 | Security Details | Sonatype Guide
CVE-2026-59933
PhpSpreadsheet - XLS/OLE sector-chain loop causes memory exhaustion DoS
Published: Jul 25, 2026
CVSS Score: High
7.5
Security Details
Components Impacted
CVE ID: CVE-2026-59933
CVE Description: PhpSpreadsheet - XLS/OLE sector-chain loop causes memory exhaustion DoS
Published: Jul 25, 2026
CVSS Score & Severity: 7.5 High
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score: 0%
Malware: malware
KEV Status: Not in KEV Catalog: No known exploits
Affected Ecosystems: affected
Source: National Vulnerability Database