VulnerabilityModified
CVE-2021-20296
A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference.
MEDIUM 5.3EPSS 1.75%
Does this matter?
Lower severity and a low EPSS score (1.75%). Track it; it rarely justifies an emergency change on its own.
Description
A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 1.75% 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=24854Issue Tracking, Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1939141Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/07/msg00001.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202107-27Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854Issue Tracking, Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1939141Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/07/msg00001.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202107-27Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.