VulnerabilityModified
CVE-2021-20303
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.
MEDIUM 6.1EPSS 0.82%
Does this matter?
Lower severity and a low EPSS score (0.82%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
- EPSS
- 0.82% probability · 55th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- openexr/openexr · debian/debian linux
- Source
- secalert@redhat.com
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25505Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1939151Issue Tracking, Vendor Advisory
- https://github.com/AcademySoftwareFoundation/openexr/pull/831Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlMailing List, Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25505Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1939151Issue Tracking, Vendor Advisory
- https://github.com/AcademySoftwareFoundation/openexr/pull/831Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.