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CVE-2021-20303 Details

Description

A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds write on the heap. The greatest impact of this flaw is to application availability, with some potential impact to data integrity as well.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25505	CVE	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1939151	CVE	Issue TrackingVendor Advisory
https://github.com/AcademySoftwareFoundation/openexr/pull/831	CVE	PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html	CVE	Mailing ListThird Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25505	[email protected]	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1939151	[email protected]	Issue TrackingVendor Advisory
https://github.com/AcademySoftwareFoundation/openexr/pull/831	[email protected]	PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html	[email protected]	Mailing ListThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-190	Integer Overflow or Wraparound	[email protected]
CWE-190	Integer Overflow or Wraparound	[email protected]

Affected Products

Product	Versions
openexr openexr	< 2.5.4
CPE cpe:2.3:a:openexr:openexr:::::::: Remediation No remediation found in references.
debian debian linux	10.0
CPE cpe:2.3:o:debian:debian_linux:10.0:::::::* Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Dec 13, 2022	Modified Analysis	[email protected]
Dec 12, 2022	CVE Modified	[email protected]
Mar 10, 2022	Initial Analysis	[email protected]