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Ubuntu 26.04 LTS LibRaw High Denial of Service Vuln USN-8522-1

ubuntu
Calendar Grey July 9, 2026
Dist Ubuntu Esm H88
Multiple security risks resolved in LibRaw across several Ubuntu releases, addressing potential denial of service and code execution flaws.
Several security issues were fixed in LibRaw.

Summary

Several security issues were fixed in LibRaw.

Software Description:

- libraw: raw image decoder library

Details:

It was discovered that LibRaw incorrectly handled certain Nikon RAW image

files. An attacker could possibly use this issue to cause LibRaw to crash,

resulting in a denial of service. (CVE-2026-5342)

It was discovered that LibRaw had an integer overflow in its DNG image

loader. An attacker could possibly use this issue to cause LibRaw to

crash, resulting in a denial of service, or execute arbitrary code.

(CVE-2026-20884)

It was discovered that LibRaw incorrectly handled certain X3F thumbnail

data. An attacker could possibly use this issue to cause LibRaw to crash,

resulting in a denial of service, or execute arbitrary code.

(CVE-2026-20889)

It was discovered that LibRaw had a heap-based buffer overflow in its

lossless JPEG image loader. An attacker could possibly use this issue to

cause LibRaw to crash, resulting in a denial of service, or execute

arbitrary code. (C...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu important heap overflow libraw

Update Instructions

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

Ubuntu 26.04 LTS
  libraw-bin                      0.21.5b-1ubuntu1.1
  libraw23t64                     0.21.5b-1ubuntu1.1

Ubuntu 24.04 LTS
  libraw-bin                      0.21.2-2.1ubuntu0.24.04.2
  libraw23t64                     0.21.2-2.1ubuntu0.24.04.2

Ubuntu 22.04 LTS
  libraw-bin                      0.20.2-2ubuntu2.22.04.3
  libraw20                        0.20.2-2ubuntu2.22.04.3

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

References

https://ubuntu.com/security/notices/USN-8522-1

CVE-2026-20884, CVE-2026-20889, CVE-2026-21413, CVE-2026-24450,

CVE-2026-24660, CVE-2026-5342

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8522-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu important heap overflow libraw

Package Information

https://launchpad.net/ubuntu/+source/libraw/0.21.5b-1ubuntu1.1
https://launchpad.net/ubuntu/+source/libraw/0.21.2-2.1ubuntu0.24.04.2
https://launchpad.net/ubuntu/+source/libraw/0.20.2-2ubuntu2.22.04.3

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