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TI-2026-17182 Aliases CVE-2026-21278GHSA-93jc-mx98-cgc8

InDesign Desktop | Out-of-bounds Read (CWE-125)

Priority LOW 24CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

InDesign Desktop versions 21.0, 19.5.5 and earlier are affected by an Out-of-bounds Read vulnerability that could lead to memory exposure. An attacker could leverage this vulnerability to access 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 0.00229 13th percentileScored 2026-11-07
Fix Fixed InDesign Desktop (Adobe): 21.1, 20.5.1

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 21.0; up to 19.5.521.1, 20.5.1Patch availableCNA
  • InDesign Desktop VendorAdobe Affected up to 21.0; up to 19.5.5 Fixed in 21.1, 20.5.1 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:adobe:indesign:*:*:*:*:*:*:*:*before 20.5.1; 21.0 to before 21.1VulnerableAdobe
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 20.5.1; 21.0 to before 21.1 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 21.1, 20.5.1

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/apsb26-02.html

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2026-17208 InDesign Desktop | Heap-based Buffer Overflow (CWE-122)Priority LOW 36
    • TI-2026-17181 InDesign Desktop | Heap-based Buffer Overflow (CWE-122)Priority LOW 36
    • TI-2026-17180 InDesign Desktop | Access of Uninitialized Pointer (CWE-824)Priority LOW 36
    Show all 5 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-21278
  2. 2026-10-03 Alias added: GHSA-93jc-mx98-cgc8

References

Advisory 1

  • 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

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