Security readout for executives and security teams
CVE-2024-54478 is an Apple out-of-bounds access flaw triggered by maliciously crafted web content. The documented impact is an unexpected process crash, so the primary business risk is disruption rather than confirmed data theft or device takeover. Exposure is likely on Apple devices running affected releases before iOS 18.2, iPadOS 18.2 or 17.7.4, macOS Sequoia 15.2, macOS Sonoma 14.7.2, tvOS 18.2, visionOS 2.2, or watchOS 11.2. Treat this as a standard but time-sensitive Apple patching item. It is not documented as exploited, but crafted web content can crash affected processes, which can disrupt users and managed device reliability. Mitigation focus: Update Apple devices to the fixed OS versions listed by Apple.; Prioritize internet-facing, executive, shared, and unmanaged Apple devices.; Use MDM or endpoint management to enforce supported update baselines..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Open ATT&CK lookupCVE-2024-54478 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H2.83.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/en-us/121837CVE reference, apple
- https://support.apple.com/en-us/121839CVE reference, apple
- https://support.apple.com/en-us/121840CVE reference, apple
- https://support.apple.com/en-us/121843CVE reference, apple
- https://support.apple.com/en-us/121844CVE reference, apple
- https://support.apple.com/en-us/121845CVE reference, apple
- https://support.apple.com/en-us/122067CVE reference, apple
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.