CVE-2025-43511Network attack vector

Process crash via dangling animation context

Published Dec 12, 2025 · Updated Dec 12, 2025

Use-after-free in WebKit Web Inspector in Apple iOS and iPadOS before 18.7.2 allows remote attackers to crash a process via crafted web content. InspectorAnimationAgent resolved or bound an animation after its ScriptExecutionContext was gone, enabling stale-object access. Reaching the flaw requires user interaction with attacker-controlled web content; the documented consequence is an unexpected process crash, not code execution.

CVSS severity6.5
Medium
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in WebKit Web Inspector in Apple iOS and iPadOS before 18.7.2 allows remote attackers to crash a process via crafted web content. InspectorAnimationAgent resolved or bound an animation after its ScriptExecutionContext was gone, enabling stale-object access. Reaching the flaw requires user interaction with attacker-controlled web content; the documented consequence is an unexpected process crash, not code execution.

The record

CVE
CVE-2025-43511
Published
Dec 12, 2025
Updated
Dec 12, 2025
Vendor
Apple
Product
iOS and iPadOS
Classifications
CWE-416, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 12, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 12, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=unspecified <18.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Apple · iOS and iPadOSversion=unspecified <18.7

Published CVSS scores

8.8redhat-SADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-416Use After Free
T1499.004Application or System Exploitation

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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