CVE-2021-20296

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.

• CWE-476

• 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

Published

Apr 1, 2021

Last Modified

Jun 17, 2026

Status

Modified

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