Name: CVE-2021-32493: Improper Restriction of Operations within the Bounds of a Memory Buffer
Creator: Rapid7
Published: 2021-06-24T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-32493, CWE-119, CWE-787, CVSS 7.8, EPSS 0.00957

A flaw was found in djvulibre-3.5.28 and earlier. A heap buffer overflow in function DJVU::GBitmap::decode() via crafted djvu file may lead to application crash and other consequences.

CVSS Details

CVSS 3.1 Base Score: 7.8
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade djvulibre	Aug 22, 2024	Jun 24, 2021
Arch Linux	—	Upgrade to the latest version of Arch Linux	Jul 11, 2025	Jun 24, 2021
Debian	—	Upgrade djvulibre	May 28, 2021	May 28, 2021
Suse	—	Upgrade libdjvulibre-develUpgrade libdjvulibre21Upgrade djvulibreUpgrade djvulibre-doc	May 20, 2021	May 17, 2021
Ubuntu	—	Upgrade libdjvulibre21 (Ubuntu Pro)Upgrade libdjvulibre21	May 18, 2021	May 17, 2021

Prioritise with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence