VulnerabilityModified
CVE-2021-20298
This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application.
HIGH 7.5EPSS 1.54%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.54% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400, CWE-787
- Affected
- openexr/openexr · debian/debian linux
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/CVE-2021-20298Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25913Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1939156Issue Tracking, Third Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97Patch, Third Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/pull/843Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlMailing List, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-20298Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25913Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1939156Issue Tracking, Third Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97Patch, Third Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/pull/843Patch, 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.