CVE-2021-20299 Information

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 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25740 https://github.com/AcademySoftwareFoundation/openexr/commit/25e9515b06a6bc293d871622b8cafaee7af84e0f https://bugzilla.redhat.com/show_bug.cgi?id=1939154

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5