Name: CVE-2021-20300: Integer Overflow or Wraparound
Creator: Rapid7
Published: 2022-03-04T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-20300, CWE-190, CVSS 5.5, EPSS 0.0089

A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow. The highest threat from this vulnerability is to system availability.

CVSS Details

CVSS 3.1 Base Score: 5.5
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade openexr	Aug 6, 2021	Aug 6, 2021
Redhat_linux	—	No solution exists	Jul 9, 2025	Mar 4, 2022
Suse	—	Upgrade openexr-develUpgrade libIlmImf-Imf_2_1-21-32bitUpgrade libilmimfutil-2_2-23-32bitUpgrade OpenEXR-32bitUpgrade openexrUpgrade libIlmImfUtil-2_2-23Upgrade libIlmImf-2_2-23Upgrade libilmimf-2_2-23-32bitUpgrade libIlmImf-Imf_2_1-21Upgrade openexr-doc	Aug 21, 2021	Aug 20, 2021

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CVSS Details

Covered by Rapid7

Prioritize with Active Threat Intelligence