NCSC-2026-0194

Vulnerability from csaf_ncscnl - Published: 2026-06-11 08:25 - Updated: 2026-06-11 08:25
Summary
Kwetsbaarheden verholpen in Adobe InDesign Desktop
Notes
The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions: NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein. NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory. This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings.
Feiten: Adobe heeft meerdere kwetsbaarheden verholpen in Adobe InDesign Desktop versies 21.3, 20.5.3 en eerdere versies.
Interpretaties: De kwetsbaarheden bevinden zich in de wijze waarop Adobe InDesign Desktop malafide bestanden verwerkt. Er zijn stack-based en heap-based buffer overflow kwetsbaarheden die leiden tot geheugenbeschadiging, waardoor een aanvaller code kan uitvoeren met de rechten van de gebruiker die de applicatie draait. Daarnaast is er een Use After Free kwetsbaarheid die eveneens kan leiden tot het uitvoeren van willekeurige code. Verder zijn er out-of-bounds write en read kwetsbaarheden die geheugenbeschadiging veroorzaken en mogelijk leiden tot het uitlekken van gevoelige informatie. Ook is er een NULL Pointer Dereference kwetsbaarheid die een crash van de applicatie veroorzaakt, wat resulteert in een denial-of-service situatie. Al deze kwetsbaarheden worden geactiveerd door het openen van speciaal vervaardigde kwaadaardige bestanden binnen de applicatie. De problemen zijn aanwezig in meerdere versies van Adobe InDesign Desktop.
Oplossingen: Adobe heeft updates uitgebracht om de kwetsbaarheden in Adobe InDesign Desktop te verhelpen. Zie bijgevoegde referenties voor meer informatie.
Kans: medium
Schade: high
CWE-121: Stack-based Buffer Overflow
CWE-122: Heap-based Buffer Overflow
CWE-125: Out-of-bounds Read
CWE-416: Use After Free
CWE-476: NULL Pointer Dereference
CWE-787: Out-of-bounds Write
CVE-2026-34695

InDesign Desktop versions 21.3, 20.5.3, and earlier contain a stack-based buffer overflow vulnerability that enables arbitrary code execution when a user opens a specially crafted malicious file.

7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-121 - Stack-based Buffer Overflow
Affected products
Product Identifier Version Remediation
vers:unknown/*
Adobe / InDesign
 vers:unknown/*
vers:unknown/*
Adobe / InDesign Desktop
 vers:unknown/*
CVE-2026-34696

InDesign Desktop versions 21.3, 20.5.3, and earlier contain a Use After Free vulnerability that enables arbitrary code execution when a user opens a specially crafted malicious file.

7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-416 - Use After Free
Affected products
Product Identifier Version Remediation
vers:unknown/*
Adobe / InDesign
 vers:unknown/*
vers:unknown/*
Adobe / InDesign Desktop
 vers:unknown/*
CVE-2026-34697

InDesign Desktop versions 21.3, 20.5.3, and earlier contain a stack-based buffer overflow vulnerability that enables arbitrary code execution when a user opens a specially crafted malicious file.

7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-121 - Stack-based Buffer Overflow
Affected products
Product Identifier Version Remediation
vers:unknown/*
Adobe / InDesign
 vers:unknown/*
vers:unknown/*
Adobe / InDesign Desktop
 vers:unknown/*
CVE-2026-34698

InDesign Desktop versions 21.3, 20.5.3, and earlier contain a heap-based buffer overflow vulnerability that enables arbitrary code execution when a user opens a specially crafted malicious file.

7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-122 - Heap-based Buffer Overflow
Affected products
Product Identifier Version Remediation
vers:unknown/*
Adobe / InDesign
 vers:unknown/*
vers:unknown/*
Adobe / InDesign Desktop
 vers:unknown/*
CVE-2026-34699

InDesign Desktop versions 21.3, 20.5.3, and earlier contain a heap-based buffer overflow vulnerability that enables arbitrary code execution when a user opens a specially crafted malicious file.

7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-122 - Heap-based Buffer Overflow
Affected products
Product Identifier Version Remediation
vers:unknown/*
Adobe / InDesign
 vers:unknown/*
vers:unknown/*
Adobe / InDesign Desktop
 vers:unknown/*
CVE-2026-34700

InDesign Desktop versions 21.3, 20.5.3, and earlier contain an out-of-bounds write vulnerability that may enable arbitrary code execution when a user opens a malicious file.

7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-787 - Out-of-bounds Write
Affected products
Product Identifier Version Remediation
vers:unknown/*
Adobe / InDesign
 vers:unknown/*
vers:unknown/*
Adobe / InDesign Desktop
 vers:unknown/*
CVE-2026-34702

InDesign Desktop versions 21.3, 20.5.3, and earlier contain a stack-based buffer overflow vulnerability that enables arbitrary code execution when a user opens a specially crafted malicious file.

7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-121 - Stack-based Buffer Overflow
Affected products
Product Identifier Version Remediation
vers:unknown/*
Adobe / InDesign
 vers:unknown/*
vers:unknown/*
Adobe / InDesign Desktop
 vers:unknown/*
CVE-2026-48293

InDesign Desktop versions 21.3, 20.5.3, and earlier contain an out-of-bounds write vulnerability that may enable arbitrary code execution when a user opens a malicious file.

7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-787 - Out-of-bounds Write
Affected products
Product Identifier Version Remediation
vers:unknown/*
Adobe / InDesign
 vers:unknown/*
vers:unknown/*
Adobe / InDesign Desktop
 vers:unknown/*
CVE-2026-34703

InDesign Desktop versions 21.3, 20.5.3, and earlier contain a NULL Pointer Dereference vulnerability exploitable via malicious files, causing application crashes and denial-of-service conditions.

5.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CWE-476 - NULL Pointer Dereference
Affected products
Product Identifier Version Remediation
vers:unknown/*
Adobe / InDesign
 vers:unknown/*
vers:unknown/*
Adobe / InDesign Desktop
 vers:unknown/*
CVE-2026-34704

InDesign Desktop versions 21.3, 20.5.3, and earlier contain a NULL Pointer Dereference vulnerability exploitable via malicious files, causing application crashes and denial-of-service conditions.

5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-476 - NULL Pointer Dereference
Affected products
Product Identifier Version Remediation
vers:unknown/*
Adobe / InDesign
 vers:unknown/*
vers:unknown/*
Adobe / InDesign Desktop
 vers:unknown/*
CVE-2026-34705

Adobe InDesign Desktop versions 21.3, 20.5.3, and earlier contain an out-of-bounds read vulnerability that may expose sensitive memory when a malicious file is opened.

5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE-125 - Out-of-bounds Read
Affected products
Product Identifier Version Remediation
vers:unknown/*
Adobe / InDesign
 vers:unknown/*
vers:unknown/*
Adobe / InDesign Desktop
 vers:unknown/*
References
To clipboard 

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      },
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          "category": "other",
          "text": "Out-of-bounds Write",
          "title": "CWE-787"
        },
        {
          "category": "description",
          "text": "InDesign Desktop versions 21.3, 20.5.3, and earlier contain an out-of-bounds write vulnerability that may enable arbitrary code execution when a user opens a malicious file.",
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          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-34700.json"
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            "version": "3.1"
          },
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            "CSAFPID-2"
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      ],
      "title": "CVE-2026-34700"
    },
    {
      "cve": "CVE-2026-34702",
      "cwe": {
        "id": "CWE-121",
        "name": "Stack-based Buffer Overflow"
      },
      "notes": [
        {
          "category": "other",
          "text": "Stack-based Buffer Overflow",
          "title": "CWE-121"
        },
        {
          "category": "description",
          "text": "InDesign Desktop versions 21.3, 20.5.3, and earlier contain a stack-based buffer overflow vulnerability that enables arbitrary code execution when a user opens a specially crafted malicious file.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-34702 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-34702.json"
        }
      ],
      "scores": [
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            "CSAFPID-2"
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      ],
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    },
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      "cwe": {
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        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
          "category": "other",
          "text": "Out-of-bounds Write",
          "title": "CWE-787"
        },
        {
          "category": "description",
          "text": "InDesign Desktop versions 21.3, 20.5.3, and earlier contain an out-of-bounds write vulnerability that may enable arbitrary code execution when a user opens a malicious file.",
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      ],
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          "CSAFPID-2"
        ]
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          "category": "self",
          "summary": "CVE-2026-48293 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-48293.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1",
            "CSAFPID-2"
          ]
        }
      ],
      "title": "CVE-2026-48293"
    },
    {
      "cve": "CVE-2026-34703",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "notes": [
        {
          "category": "other",
          "text": "NULL Pointer Dereference",
          "title": "CWE-476"
        },
        {
          "category": "description",
          "text": "InDesign Desktop versions 21.3, 20.5.3, and earlier contain a NULL Pointer Dereference vulnerability exploitable via malicious files, causing application crashes and denial-of-service conditions.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-34703 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-34703.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1",
            "CSAFPID-2"
          ]
        }
      ],
      "title": "CVE-2026-34703"
    },
    {
      "cve": "CVE-2026-34704",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "notes": [
        {
          "category": "other",
          "text": "NULL Pointer Dereference",
          "title": "CWE-476"
        },
        {
          "category": "description",
          "text": "InDesign Desktop versions 21.3, 20.5.3, and earlier contain a NULL Pointer Dereference vulnerability exploitable via malicious files, causing application crashes and denial-of-service conditions.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-34704 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-34704.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1",
            "CSAFPID-2"
          ]
        }
      ],
      "title": "CVE-2026-34704"
    },
    {
      "cve": "CVE-2026-34705",
      "cwe": {
        "id": "CWE-125",
        "name": "Out-of-bounds Read"
      },
      "notes": [
        {
          "category": "other",
          "text": "Out-of-bounds Read",
          "title": "CWE-125"
        },
        {
          "category": "description",
          "text": "Adobe InDesign Desktop versions 21.3, 20.5.3, and earlier contain an out-of-bounds read vulnerability that may expose sensitive memory when a malicious file is opened.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-34705 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-34705.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1",
            "CSAFPID-2"
          ]
        }
      ],
      "title": "CVE-2026-34705"
    }
  ]
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.