CVE-2024-54658Network attack vector

Denial of service via WebKit memory handling

Published Feb 10, 2025 · Updated Jun 3, 2026

Memory-handling flaw in WebKit in affected Apple products allows remote attackers to interrupt web content processing via crafted content. Apple identifies improper memory handling in WebKit but has not published the faulty function, memory operation, or triggering input structure. A user must process attacker-controlled web content; the reported consequence is denial of service, with no confidentiality or integrity impact.

CVSS severity6.5
Medium
EPSS probability0.54%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Memory-handling flaw in WebKit in affected Apple products allows remote attackers to interrupt web content processing via crafted content. Apple identifies improper memory handling in WebKit but has not published the faulty function, memory operation, or triggering input structure. A user must process attacker-controlled web content; the reported consequence is denial of service, with no confidentiality or integrity impact.

The record

CVE
CVE-2024-54658
Published
Feb 10, 2025
Updated
Jun 3, 2026
Vendor
Apple
Product
iOS and iPadOS
Classifications
CWE-400, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 10, 2025CVE publishedPublication date reported by the CVE source.
  2. Jun 3, 2026Record 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=0 <17.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Apple · iOS and iPadOSversion=0 <17.4
Apple · visionOSversion=0 <1.1
Apple · Safariversion=0 <17.4
Apple · tvOSversion=0 <17.4
Apple · macOSversion=0 <14.4
Apple · watchOSversion=0 <10.4

Published CVSS scores

6.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
6.5NVDCVSS: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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
T1499Endpoint Denial of Service

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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