Security readout for executives and security teams
Plain-English summary
CVE-2024-54658 is an Apple WebKit-related availability issue caused by inadequate memory handling. A user who processes malicious web content could experience a denial-of-service condition. The known business impact is disruption, not data theft or code execution, based on the supplied sources.
Executive priority
Treat as a routine but important Apple patching item. Prioritize high-use employee endpoints and managed mobile fleets, especially where browser availability affects business operations.
Technical view
Apple fixed a memory-handling issue in Safari 17.4, iOS/iPadOS 17.4, macOS Sonoma 14.4, tvOS 17.4, visionOS 1.1, and watchOS 10.4. The CVSS 3.1 vector is network-accessible, low complexity, no privileges, user interaction required, with high availability impact only. CWE-400 is listed.
Likely exposure
Exposure is most likely on Apple browsers and devices below the fixed releases. Exact vulnerable version ranges are not provided in the bundle, so teams should validate against Apple’s fixed-version guidance.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. The described trigger is processing web content, which requires user interaction and affects availability.
Researcher notes
Evidence is limited to Apple’s advisory language and CVE metadata. The bundle identifies availability-only impact and CWE-400, but does not provide root-cause detail, affected version ranges, exploit indicators, or proof-of-concept status.
Mitigation direction
- Update Safari to 17.4 or later where applicable.
- Update iOS and iPadOS to 17.4 or later.
- Update macOS Sonoma systems to 14.4 or later.
- Update tvOS, visionOS, and watchOS to the named fixed releases.
- Monitor Apple security guidance for revised affected-version details.
Validation and detection
- Inventory Apple devices and Safari versions across managed assets.
- Confirm update compliance against Apple’s fixed release list.
- Check mobile device management reports for deferred or failed updates.
- Review helpdesk and crash telemetry for unexplained web-content denial-of-service symptoms.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-400: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-54658 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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/120881CVE reference, apple
- https://support.apple.com/en-us/120882CVE reference, apple
- https://support.apple.com/en-us/120883CVE reference, apple
- https://support.apple.com/en-us/120893CVE reference, apple
- https://support.apple.com/en-us/120894CVE reference, apple
- https://support.apple.com/en-us/120895CVE 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.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.