CVE-2021-32491: Debian Linux

High severity, CVSS 7.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A flaw was found in djvulibre-3.5.28 and earlier. An integer overflow in function render() in tools/ddjvu via crafted djvu file may lead to application crash and other consequences.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Djvulibre Project Djvulibre: up to and including 3.5.28

Published 2021-06-24. Last modified 2026-06-17.