CVE-2021-20304: A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an…

PriorityP339high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

1.51%

71.5th percentile

A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this vulnerability is to system availability.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
debian	openexr	< openexr 2.5.4-1 (bookworm)	openexr 2.5.4-1 (bookworm)
openexr	openexr	<= 2.5.7	—
openexr	openexr	—	—
openexr	openexr	>= 0 < 2.5.4-1	2.5.4-1
openexr	openexr	>= 0 < 2.5.4-1	2.5.4-1
openexr	openexr	>= 0 < 2.5.4-1	2.5.4-1
openexr	openexr	>= 0 < 2.5.4-1	2.5.4-1

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

osv7.5HIGH

vendor_debian7.5LOW

vendor_redhat7.5HIGH

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