CVE-2025-43555

Code execution via malicious file integer underflow

Published May 13, 2025 · Updated May 13, 2025

Integer underflow in Adobe Animate 24.0.8 and 23.0.11 and earlier allows attackers to execute arbitrary code through a malicious file. Adobe has not published the affected parser, file format, or arithmetic operation beyond identifying an integer underflow. Execution requires a user to open the file and runs with the current user's privileges, permitting compromise of data and application behavior.

CVSS severity7.8
High
EPSS probability0.28%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Integer underflow in Adobe Animate 24.0.8 and 23.0.11 and earlier allows attackers to execute arbitrary code through a malicious file. Adobe has not published the affected parser, file format, or arithmetic operation beyond identifying an integer underflow. Execution requires a user to open the file and runs with the current user's privileges, permitting compromise of data and application behavior.

The record

CVE
CVE-2025-43555
Published
May 13, 2025
Updated
May 13, 2025
Vendor
Adobe
Product
Adobe Animate
Classifications
CWE-191, T1204.002, T1203
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 13, 2025CVE publishedPublication date reported by the CVE source.
  2. May 13, 2025Record 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 <=23.0.11

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Adobe · Adobe Animateversion=0 <=23.0.11

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-191Integer Underflow (Wrap or Wraparound)
T1204.002Malicious File
T1203Exploitation for Client Execution

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo