CVE-2021-20303
MEDIUMOpenEXR - Integer Overflow and Heap-Based Buffer Overflow in dataWindowForTile()
Title source: llmDescription
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.
References (4)
Core 4
Core References
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25505
Issue Tracking, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1939151
Patch, Third Party Advisory
https://github.com/AcademySoftwareFoundation/openexr/pull/831
Scores
CVSS v3
6.1
EPSS
0.0079
EPSS Percentile
51.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Details
CWE
CWE-190
Status
published
Products (2)
debian/debian_linux
10.0
openexr/openexr
< 2.5.4
Published
Mar 04, 2022
Tracked Since
Feb 18, 2026