CVE-2021-3476 Information

Description

A flaw was found in OpenEXR’s B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows potentially affecting application availability.

CVSS Vector

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

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=1939145 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24787 https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html https://security.gentoo.org/glsa/202107-27

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

5.3