CVE-2024-54478: Processing maliciously crafted web content may lead to an unexpected process crash in Apple iOS and iPadOS
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.2 and iPadOS 18.2, iPadOS 17.7.4, macOS Sequoia 15.2, macOS Sonoma 14.7.2, tvOS 18.2, visionOS 2.2, watchOS 11.2. Processing maliciously crafted web content may lead to an unexpected process crash.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds access error (CWE-125) in Apple iOS and iPadOS that occurs when processing specially crafted web content. Successful exploitation leads to an unexpected process crash, impacting system availability. Apple fixed the issue by improving bounds checking in iOS 18.2, iPadOS 18.2, iPadOS 17.7.4, macOS Sequoia 15.2, macOS Sonoma 14.7.2, tvOS 18.2, visionOS 2.2, and watchOS 11.2. The CVSS 3.1 vector indicates the attack requires network access, no privileges, and user interaction, with no confidentiality or integrity impact but high impact on availability.
Potential Impact
Exploitation of this vulnerability can cause an unexpected process crash, resulting in denial of service for affected processes. There is no indication of data compromise or privilege escalation. The impact is limited to availability disruption.
Mitigation Recommendations
A fix is available from Apple in iOS 18.2, iPadOS 18.2, iPadOS 17.7.4, and other related OS versions. Users and administrators should apply these official updates to remediate the vulnerability. No additional mitigation steps are indicated.
CVE-2024-54478: Processing maliciously crafted web content may lead to an unexpected process crash in Apple iOS and iPadOS
Description
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.2 and iPadOS 18.2, iPadOS 17.7.4, macOS Sequoia 15.2, macOS Sonoma 14.7.2, tvOS 18.2, visionOS 2.2, watchOS 11.2. Processing maliciously crafted web content may lead to an unexpected process crash.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds access error (CWE-125) in Apple iOS and iPadOS that occurs when processing specially crafted web content. Successful exploitation leads to an unexpected process crash, impacting system availability. Apple fixed the issue by improving bounds checking in iOS 18.2, iPadOS 18.2, iPadOS 17.7.4, macOS Sequoia 15.2, macOS Sonoma 14.7.2, tvOS 18.2, visionOS 2.2, and watchOS 11.2. The CVSS 3.1 vector indicates the attack requires network access, no privileges, and user interaction, with no confidentiality or integrity impact but high impact on availability.
Potential Impact
Exploitation of this vulnerability can cause an unexpected process crash, resulting in denial of service for affected processes. There is no indication of data compromise or privilege escalation. The impact is limited to availability disruption.
Mitigation Recommendations
A fix is available from Apple in iOS 18.2, iPadOS 18.2, iPadOS 17.7.4, and other related OS versions. Users and administrators should apply these official updates to remediate the vulnerability. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2024-12-03T22:50:35.495Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 690916c8c28fd46ded7ccf8a
Added to database: 11/03/2025, 20:55:36 UTC
Last enriched: 06/03/2026, 19:57:34 UTC
Last updated: 07/09/2026, 07:52:25 UTC
Views: 160
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