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TI-2021-20397 Aliases CVE-2021-45054GHSA-h6g9-9vqr-2wj7

Adobe InCopy JPEG2000 Parsing Use-After-Free Information Disclosure Vulnerability

Priority LOW 29CWE-416Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Adobe InCopy version 16.4 (and earlier) is affected by a use-after-free vulnerability in the processing of a JPEG2000 file that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02097 81st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AdobeInCopyup to 16.4; up to None—No fix listedCNA
  • InCopy VendorAdobe Affected up to 16.4; up to None Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:adobe:incopy:*:*:*:*:*:*:*:*up to 16.4VulnerableAdobe
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:adobe:incopy:*:*:*:*:*:*:*:* Versions up to 16.4 Vulnerable ·Adobe
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-45054
  2. 2026-10-03 Alias added: GHSA-h6g9-9vqr-2wj7

References

Advisory 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