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TI-2026-84336 Aliases CVE-2026-40660GHSA-c7j2-58jq-2h2r

Heap out-of-bounds read in AMD Compressonator SDK leaks memory

Priority LOW 23CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

AMD Compressonator SDK contains a heap-based out-of-bounds read (CWE-125) that lets a read go past the end of a heap buffer. A local attacker with low privileges and some user interaction can read out-of-bounds heap memory, which may disclose information or crash the application.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Description from the CNA

A heap-based out-of-bounds (OOB) read vulnerability in the AMD Compressonator SDK could allow an attacker with local access to read out-of-bounds heap memory, potentially resulting in information disclosure or application crash.

Why it matters now

EPSS 0.00135 2nd percentileScored 2026-11-07
Fix Fixed AMD Compressionator SDK (AMD): AMD Compressonator SDK 4.6

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
AMDAMD Compressionator SDK—AMD Compressonator SDK 4.6Patch availableCNA
  • AMD Compressionator SDK VendorAMD Affected — Fixed in AMD Compressonator SDK 4.6 Patch available CNA

Remediation

Update AMD Compressonator SDK to version 4.6, which fixes this flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

  • Fix · CNA AMD Compressionator SDK (AMD) Fixed in AMD Compressonator SDK 4.6

Timeline

  1. 2026-11-03 Threatist record created from CVE-2026-40660
  2. 2026-11-03 Alias added: GHSA-c7j2-58jq-2h2r

References

Other 1

  • TI-2026-36341 AI Tensor Engine for ROCm (AITER) 0.1.14 Unauthenticated RCE via MessageQueue.recv() Pickle Deserialization CVSS 4.0CRITICAL 9.2
  • TI-2023-07046 Improper privilege management in AMD Radeon™ RX 5000 Series Graphics Cards CVSS 3.1HIGH 7.8
  • TI-2023-04574 GPU kernel implementations susceptible to memory leak CVSS 3.1MEDIUM 6.5
  • TI-2023-07042 Information disclosure through error messages in AMD Ryzen™ 3000 Series Desktop… CVSS 3.1MEDIUM 5.5
  • TI-2023-23747 PVRIC (PowerVR Image Compression) on Imagination 2018 and later GPU devices offers… CVSS 3.1MEDIUM 5.3
  • TI-2022-07839 Improper access control in System Management Mode (SMM) may allow an attacker to write to… CVSS 3.1CRITICAL 9.8
See all 508 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences