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TI-2021-17049 Aliases CVE-2021-39818GHSA-3gmv-cppr-wxpg

Adobe InCopy Memory Corruption Vulnerability Could Lead to Arbitrary Code Execution

Priority LOW 37CWE-788Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Adobe InCopy version 11.1 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious TIFF file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

Why it matters now

EPSS 0.01714 77th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AdobeInCopyup to 16.3; up to 16.3.1; up to None—No fix listedCNA
  • InCopy VendorAdobe Affected up to 16.3; up to 16.3.1; up to None Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:adobe:incopy:*:*:*:*:*:windows:*:*up to 16.3VulnerableAdobe
cpe:2.3:a:adobe:incopy:*:*:*:*:*:macos:*:*up to 16.3.1VulnerableAdobe
  • cpe:2.3:a:adobe:incopy:*:*:*:*:*:windows:*:* Versions up to 16.3 Vulnerable ·Adobe
  • cpe:2.3:a:adobe:incopy:*:*:*:*:*:macos:*:* Versions up to 16.3.1 Vulnerable ·Adobe

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-39818
  2. 2026-10-03 Alias added: GHSA-3gmv-cppr-wxpg

References

Patch 1

  • TI-2021-04195 Adobe InCopy DOCX file parsing directory traversal vulnerability could lead to remote code execution CVSS 3.1HIGH 8.8
  • TI-2022-12790 Adobe InCopy Font Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability CVSS 3.0HIGH 7.8
  • TI-2022-12786 Adobe InCopy Font Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability CVSS 3.0HIGH 7.8
  • TI-2022-12793 Adobe InCopy Font Parsing Use-After-Free Remote Code Execution Vulnerability CVSS 3.0HIGH 7.8
  • TI-2022-12791 Adobe InCopy Font Parsing Use-After-Free Remote Code Execution Vulnerability CVSS 3.0HIGH 7.8
  • TI-2022-12787 Adobe InCopy Font Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability CVSS 3.0HIGH 7.8
See all 64 →

Sources

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