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TI-2021-04159 Aliases CVE-2021-21053GHSA-xp84-q6q5-7pv4

Adobe Illustrator Out-Of-Bounds Write Vulnerability Could Lead To Remote Code Execution

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 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Adobe Illustrator version 25.1 (and earlier) is affected by an Out-of-bounds Write vulnerability when parsing a 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

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0243 84th 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
AdobeIllustratorup to 25.1; up to None—No fix listedCNA
  • Illustrator VendorAdobe Affected up to 25.1; up to None Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:adobe:illustrator:*:*:*:*:*:*:*:*up to 25.1VulnerableAdobe
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:adobe:illustrator:*:*:*:*:*:*:*:* Versions up to 25.1 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-2021-21053
  2. 2026-10-03 Alias added: GHSA-xp84-q6q5-7pv4

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