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Ubuntu 25.04: OpenJPEG Important Memory Handling Issues USN-7757-1

ubuntu
Calendar Grey September 18, 2025
Dist Ubuntu Esm H88
Vulnerabilities discovered in OpenJPEG pose significant security threats; potential for denial of service affecting various Ubuntu releases. Immediate action recommended.
Several security issues were fixed in OpenJPEG.

Summary

Several security issues were fixed in OpenJPEG.

Software Description:

- openjpeg2: JPEG 2000 image compression/decompression library

Details:

It was discovered that OpenJPEG did not properly handle memory when

decompressing certain image files. An attacker could possibly use this

issue to cause OpenJPEG to crash, resulting in a denial of service. This

issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS,

and Ubuntu 24.04 LTS. (CVE-2025-50952)

It was discovered that OpenJPEG did not properly handle memory when parsing

the headers of certain image files. An attacker could use this issue to

cause OpenJPEG to crash, resulting in a denial of service, or possibly

execute arbitrary code. This issue only affected Ubuntu 25.04.

(CVE-2025-54874)

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu important memory handling openjpeg

Update Instructions

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

Ubuntu 25.04
  libopenjp2-7                    2.5.3-2ubuntu0.1

Ubuntu 24.04 LTS
  libopenjp2-7                    2.5.0-2ubuntu0.4

Ubuntu 22.04 LTS
  libopenjp2-7                    2.4.0-6ubuntu0.4
  libopenjp3d7                    2.4.0-6ubuntu0.4

Ubuntu 20.04 LTS
  libopenjp2-7                    2.3.1-1ubuntu4.20.04.4+esm1
                                  Available with Ubuntu Pro
  libopenjp3d7                    2.3.1-1ubuntu4.20.04.4+esm1
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  libopenjp2-7                    2.3.0-2+deb10u2ubuntu0.1~esm5
                                  Available with Ubuntu Pro
  libopenjp3d7                    2.3.0-2+deb10u2ubuntu0.1~esm5
                                  Available with Ubuntu Pro

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

References

https://ubuntu.com/security/notices/USN-7757-1

CVE-2025-50952, CVE-2025-54874

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7757-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu important memory handling openjpeg

Package Information

https://launchpad.net/ubuntu/+source/openjpeg2/2.5.3-2ubuntu0.1
https://launchpad.net/ubuntu/+source/openjpeg2/2.4.0-6ubuntu0.4

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