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CVE-2026-21358— InDesign Desktop | Heap-based Buffer Overflow (CWE-122)

Quick assessment

Affected
Adobe InDesign Desktop
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Adobe InDesign Desktop是美国奥多比（Adobe）公司的一款页面排版软件。 Adobe InDesign Desktop 21.1版本和20.5.1及之前版本存在安全漏洞，该漏洞源于堆缓冲区溢出，可能导致应用程序拒绝服务。

CVSS 5.5 · Medium EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
Adobe InDesign Desktop ≤ 21.1 affected
21.2 unaffected
≤ 20.5.1 affected
20.5.2 unaffected
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I. Basic Information for CVE-2026-21358

Vulnerability Information
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Vulnerability Title
InDesign Desktop | Heap-based Buffer Overflow (CWE-122)
Source: CVE Program / CVE List V5
Vulnerability Description
InDesign Desktop versions 21.1, 20.5.1 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disruption to services. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe InDesign Desktop 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe InDesign Desktop是美国奥多比（Adobe）公司的一款页面排版软件。 Adobe InDesign Desktop 21.1版本和20.5.1及之前版本存在安全漏洞，该漏洞源于堆缓冲区溢出，可能导致应用程序拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Adobe InDesign Desktop 0 ~ 21.1 -

II. Public POCs for CVE-2026-21358

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III. Intelligence Information for CVE-2026-21358

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Vendor Advisories for CVE-2026-21358 (1)

Same Patch Batch · Adobe · 2026-02-10 · 44 CVEs total

CVE-2026-21329 7.8 HIGH After Effects | Use After Free (CWE-416)
CVE-2026-21352 7.8 HIGH DNG SDK | Out-of-bounds Write (CWE-787)
CVE-2026-21347 7.8 HIGH Bridge | Integer Overflow or Wraparound (CWE-190)
CVE-2026-21343 7.8 HIGH Substance3D - Stager | Out-of-bounds Read (CWE-125)
CVE-2026-21312 7.8 HIGH Audition | Out-of-bounds Write (CWE-787)
CVE-2026-21346 7.8 HIGH Bridge | Out-of-bounds Write (CWE-787)
CVE-2026-21321 7.8 HIGH After Effects | Integer Overflow or Wraparound (CWE-190)
CVE-2026-21351 7.8 HIGH After Effects | Use After Free (CWE-416)
CVE-2026-21320 7.8 HIGH After Effects | Use After Free (CWE-416)
CVE-2026-21357 7.8 HIGH InDesign Desktop | Heap-based Buffer Overflow (CWE-122)
CVE-2026-21334 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-21323 7.8 HIGH After Effects | Use After Free (CWE-416)
CVE-2026-21324 7.8 HIGH After Effects | Out-of-bounds Read (CWE-125)
CVE-2026-21326 7.8 HIGH After Effects | Use After Free (CWE-416)
CVE-2026-21322 7.8 HIGH After Effects | Out-of-bounds Read (CWE-125)
CVE-2026-21318 7.8 HIGH After Effects | Out-of-bounds Write (CWE-787)
CVE-2026-21328 7.8 HIGH After Effects | Out-of-bounds Write (CWE-787)
CVE-2026-21327 7.8 HIGH After Effects | Out-of-bounds Write (CWE-787)
CVE-2026-21325 7.8 HIGH After Effects | Out-of-bounds Read (CWE-125)
CVE-2026-21330 7.8 HIGH After Effects | Access of Resource Using Incompatible Type ('Type Confusion') (CWE-843)

Showing top 20 of 44 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: InDesign Desktop
Same vendor: Adobe
Same weakness: CWE-122

V. Comments for CVE-2026-21358

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