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Ubuntu 20.10: 4901-2 Important: OpenEXR Buffer Overflow Vulnerability

ubuntu
Calendar Grey April 1, 2021
Dist Ubuntu Esm H88
Urgent Ubuntu update for OpenEXR addresses multiple vulnerabilities that could result in DoS attacks and possible remote exploitation. Immediate action necessary.
Several security issues were fixed in OpenEXR.

Summary

Several security issues were fixed in OpenEXR.

Software Description:

- openexr: tools for the OpenEXR image format

Details:

It was discovered that OpenEXR incorrectly handled certain malformed EXR

image files. If a user were tricked into opening a crafted EXR image file,

a remote attacker could cause a denial of service, or possibly execute

arbitrary code.

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.10:
  libopenexr25                    2.5.3-2ubuntu0.2
  openexr                         2.5.3-2ubuntu0.2

Ubuntu 20.04 LTS:
  libopenexr24                    2.3.0-6ubuntu0.5
  openexr                         2.3.0-6ubuntu0.5

Ubuntu 18.04 LTS:
  libopenexr22                    2.2.0-11.1ubuntu1.6
  openexr                         2.2.0-11.1ubuntu1.6

Ubuntu 16.04 LTS:
  libopenexr22                    2.2.0-10ubuntu2.6
  openexr                         2.2.0-10ubuntu2.6

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4900-1

CVE-2021-3474, CVE-2021-3475, CVE-2021-3476, CVE-2021-3477,

CVE-2021-3478, CVE-2021-3479

Severity
important
Lowest
Low
Medium
High
Critical

April 01, 2021

Package Information

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