An openexr security update has been released for Arch Linux.

ASA-202107-14: openexr: arbitrary code execution

Arch Linux Security Advisory ASA-202107-14
=========================================
Severity: Medium
Date : 2021-07-06
CVE-ID : CVE-2021-3598
Package : openexr
Type : arbitrary code execution
Remote : Yes
Link :   https://security.archlinux.org/AVG-2071

Summary
======
The package openexr before version 3.0.5-1 is vulnerable to arbitrary
code execution.

Resolution
=========
Upgrade to 3.0.5-1.

# pacman -Syu "openexr>=3.0.5-1"

The problem has been fixed upstream in version 3.0.5.

Workaround
=========
None.

Description
==========
A heap-buffer overflow was found in the readChars function of OpenEXR
before version 3.0.5. An attacker could use this flaw to execute
arbitrary code with the permissions of the user running the application
compiled against OpenEXR.

Impact
=====
An attacker could execute arbitrary code through a crafted EXR image
file.

References
=========
  https://bugzilla.redhat.com/show_bug.cgi?id70987
  https://github.com/AcademySoftwareFoundation/openexr/issues/1033
  https://github.com/AcademySoftwareFoundation/openexr/pull/1037
  https://github.com/AcademySoftwareFoundation/openexr/commit/b054116e57ebf62739a17217f922359b174d1332
  https://security.archlinux.org/CVE-2021-3598