CVE-2024-39390

Code execution via out-of-bounds file parsing write

Published Aug 14, 2024 · Updated Aug 16, 2024

Out-of-bounds write in Adobe InDesign Desktop 19.4 and 18.5.2 and earlier allows attackers to execute code through a malicious file. The file parser writes beyond an allocated memory boundary while processing crafted file data; Adobe has not disclosed the affected routine or format structure. Execution requires a victim to open the file and runs with the victim's current-user privileges on Windows or macOS.

CVSS severity7.8
High
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in Adobe InDesign Desktop 19.4 and 18.5.2 and earlier allows attackers to execute code through a malicious file. The file parser writes beyond an allocated memory boundary while processing crafted file data; Adobe has not disclosed the affected routine or format structure. Execution requires a victim to open the file and runs with the victim's current-user privileges on Windows or macOS.

The record

CVE
CVE-2024-39390
Published
Aug 14, 2024
Updated
Aug 16, 2024
Vendor
Adobe
Product
InDesign
Classifications
CWE-787, T1203, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 14, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=18.5.2
  2. Affected versionversion=0 <=19.4
  3. Affected versionversion=0 <=ID18.5.2

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Adobe · InDesignversion=0 <=18.5.2; version=0 <=19.4; version=0 <=ID18.5.2

Published CVSS scores

7.8AdobeCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1203Exploitation for Client Execution
T1204.002Malicious File

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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