AMD Compressonator SDK Vulnerabilities

Summary

Several vulnerabilities were reported and impact AMD Compressonator.

AMD Compressonator is a set of tools to allow artists and developers to more easily work with compressed assets and easily visualize the quality impact of various compression technologies.  

CVE Details

Refer to Glossary for explanation of terms 

CVE CVE Description CVSS Base Score
CVE-2026-40652 An out-of-bounds read condition in the AMD Compressonator SDK could allow a local attacker to supply a specially crafted Truevision Graphics Adapter (TGA) file to a user or an automated pipeline, potentially resulting in disclosure of sensitive heap memory contents or denial of service. 5.2
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
CWE-125: Out-of-bounds Read
CVE-2026-40660 A heap out-of-bounds read vulnerability in the AMD Compressonator SDK could allow an attacker with local access to read out-of-bounds heap memory, potentially leading to information disclosure or application crash. 5.2
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
CWE-125: Out-of-bounds Read
CVE-2026-40661 An out-of-bounds write (OOW) condition in the AMD Compressonator SDK could allow an attacker with local access to supply a specially crafted DirectDraw Surface (DDS) file to a user or an automated pipeline, potentially resulting in heap corruption or denial of service (DoS). 5.2
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
CWE-787: Out-of-bounds Write
CVE-2026-40659 An integer overflow condition in the AMD Compressonator SDK could allow a local attacker to supply a specially crafted DirectDraw Surface (DDS) file, potentially resulting in a denial of service. 5.1
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE-190: Integer Overflow or Wraparound

Specific CVSS scores may change subject to your implementation. We encourage you to calculate CVSS scores independently for your system.

Affected Products

AMD recommends implementing the mitigation shown below.

Revision Date Mitigation Mitigation Release Date
AMD Compressonator SDK 4.6.0 Target release planned for 2026-09-24

Acknowledgement 

AMD thanks the following for reporting and engaging in coordinated vulnerability disclosure:

  • BB researcher: Sheikh Rishad: CVE-2026-40652, CVE-2026-40659, CVE-2026-40660, CVE-2026-40661

Revisions

Revision Date Description
2026-09-24 Initial version

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