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TI-2026-21713 Aliases CVE-2026-27286GHSA-r9v7-9p75-jjw3

InDesign Desktop | Heap-based Buffer Overflow (CWE-122)

Priority LOW 24CWE-122Published · 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
Fixed

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

Summary

InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could lead to memory exposure. An attacker could leverage this vulnerability to disclose sensitive information stored in memory. 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 0.00156 4th percentileScored 2026-11-07
Fix Fixed InDesign Desktop (Adobe): 21.3, 20.5.3

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
AdobeInDesign Desktopup to 21.2; up to 20.5.221.3, 20.5.3Patch availableCNA
  • InDesign Desktop VendorAdobe Affected up to 21.2; up to 20.5.2 Fixed in 21.3, 20.5.3 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:adobe:indesign:*:*:*:*:*:*:*:*before 20.5.3; 21.0 – 21.3VulnerableAdobe
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:indesign:*:*:*:*:*:*:*:* Versions before 20.5.3; 21.0 – 21.3 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

  • Fix · CNA InDesign Desktop (Adobe) Fixed in 21.3, 20.5.3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Adobe InDesign Desktop — helpx.adobe.com/security/products/indesign/apsb26-32.html

    9 records Highest priority Priority LOW 9 LOW

    Other records, highest priority first

    • TI-2026-26875 InDesign Desktop | Heap-based Buffer Overflow (CWE-122)Priority LOW 35
    • TI-2026-26874 InDesign Desktop | Heap-based Buffer Overflow (CWE-122)Priority LOW 35
    • TI-2026-26873 InDesign Desktop | Heap-based Buffer Overflow (CWE-122)Priority LOW 35

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-27286
  2. 2026-10-03 Alias added: GHSA-r9v7-9p75-jjw3

References

  • TI-2019-05027 Adobe InDesign versions 14.0.1 and below have an unsafe hyperlink processing… CVSS 3.1CRITICAL 9.8
  • TI-2017-08345 Memory corruption in Adobe InDesign 12.1.0 and earlier versions CVSS 3.0CRITICAL 9.8
  • TI-2016-06630 Memory corruption in Adobe InDesign 11.4.1 and earlier, InDesign Server 11.0.0 and earlier CVSS 3.1CRITICAL 9.8
  • TI-2021-04203 Adobe InDesign PCX file parsing out-of-bounds write vulnerability could lead to remote code execution CVSS 3.1HIGH 8.8
  • TI-2021-04202 Adobe InDesign PCX file parsing out-of-bounds write vulnerability could lead to remote code execution CVSS 3.1HIGH 8.8
  • TI-2020-07817 Out-of-bounds memory access could lead to code execution CVSS 3.1HIGH 7.8
See all 201 →

Sources