VulnerabilityModified
CVE-2021-20299
The highest threat from this vulnerability is to system availability.
HIGH 7.5EPSS 1.77%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.77%). 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 Multipart input file functionality. A crafted multi-part input file with no actual parts can trigger a NULL pointer dereference. 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
- 1.77% probability · 77th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- openexr/openexr · debian/debian linux
- Source
- secalert@redhat.com
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25740Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1939154Issue Tracking, Patch, Third Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/commit/25e9515b06a6bc293d871622b8cafaee7af84e0fPatch, 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=25740Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1939154Issue Tracking, Patch, Third Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/commit/25e9515b06a6bc293d871622b8cafaee7af84e0fPatch, 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.