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TI-2021-04173 Aliases CVE-2021-21067GHSA-qw4c-4mx7-r5px

Adobe Photoshop CoolType arbitrary stack manipulation in Type 1/Multiple Master

Priority MEDIUM 41CWE-787Published · 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-787 and the CVSS impact.

Summary

Adobe Photoshop versions 21.2.5 (and earlier) and 22.2 (and earlier) are affected by an Out-of-bounds Write vulnerability in the CoolType library. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. 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 0.02956 87th 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
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AdobePhotoshopup to 22.2; up to 21.2.5; up to None—No fix listedCNA
  • Photoshop VendorAdobe Affected up to 22.2; up to 21.2.5; up to None Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:adobe:photoshop_2020:*:*:*:*:*:*:*:*before 21.2.6; 22.0 to before 22.3VulnerableAdobe
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:photoshop_2020:*:*:*:*:*:*:*:* Versions before 21.2.6; 22.0 to before 22.3 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-2021-21067
  2. 2026-10-03 Alias added: GHSA-qw4c-4mx7-r5px

References

Advisory 1

  • TI-2020-03298 Out-of-bounds write in Adobe Photoshop CVSS 3.1CRITICAL 9.8
  • TI-2020-03290 Memory corruption in Adobe Photoshop CVSS 3.1CRITICAL 9.8
  • TI-2020-03304 Out-of-bounds write in Adobe Photoshop CVSS 3.1CRITICAL 9.8
  • TI-2020-03303 Out-of-bounds write in Adobe Photoshop CVSS 3.1CRITICAL 9.8
  • TI-2020-03302 Out-of-bounds write in Adobe Photoshop CVSS 3.1CRITICAL 9.8
  • TI-2020-03301 Out-of-bounds write in Adobe Photoshop CVSS 3.1CRITICAL 9.8
See all 23 →

Sources

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