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TI-2021-04205 Aliases CVE-2021-21101GHSA-9gjq-vmr7-6qgx

Adobe Illustrator TTF font parsing out-of-bounds write vulnerability could lead to remote code execution

Priority MEDIUM 44CWE-787Published · Updated

Key facts

Attack vector
Network
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 Illustrator version 25.2 (and earlier) is affected by an Out-of-bounds Write vulnerability when parsing a specially crafted file. 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

EPSS 0.03467 89th 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
AdobeIllustratorup to 25.2; up to None—No fix listedCNA
  • Illustrator VendorAdobe Affected up to 25.2; up to None Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:adobe:illustrator:*:*:*:*:*:*:*:*up to 25.2VulnerableAdobe
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:adobe:illustrator:*:*:*:*:*:*:*:* Versions up to 25.2 Vulnerable ·Adobe
  • 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-2021-21101
  2. 2026-10-03 Alias added: GHSA-9gjq-vmr7-6qgx

References

Advisory 1

  • TI-2009-03980 Buffer overflow in Adobe Illustrator CS4 14.0.0, CS3 13.0.3 and earlier, and CS3 13.0.0… CVSS 2.0HIGH 9.3
  • TI-2007-02283 Buffer overflow in Adobe Photoshop CS2 and CS3, Photoshop Elements 5.0, Illustrator CS3… CVSS 2.0HIGH 9.3
  • TI-2007-02162 Multiple buffer overflows in Adobe Photoshop CS2 and CS3, Illustrator CS3, and GoLive 9… CVSS 2.0HIGH 9.3
  • TI-2012-00719 Adobe Illustrator before CS6 allows attackers to execute arbitrary code or cause a denial… CVSS 2.0HIGH 10.0
  • TI-2010-03013 Untrusted search path vulnerability in Adobe Illustrator CS4 14.0.0, CS5 15.0.1 and… CVSS 2.0HIGH 9.3
  • TI-2009-03749 Buffer overflow in Adobe Illustrator CS3 13.0.3 and earlier and Illustrator CS4 14.0.0… CVSS 2.0HIGH 10.0
See all 181 →

Sources

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