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CVE Record

CVE-2023-43010: The issue was addressed with improved memory handling.

The issue was addressed with improved memory handling. This issue is fixed in iOS 17.2 and iPadOS 17.2, macOS Sonoma 14.2, Safari 17.2, iOS 16.7.15 and iPadOS 16.7.15, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.

HighCVSS 8.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This is a high-severity Apple web-content memory corruption issue. A user opening maliciously crafted web content on affected Apple platforms could face compromise of confidentiality, integrity, and availability. Apple says it was fixed through improved memory handling in listed iOS, iPadOS, macOS Sonoma, and Safari releases.

Executive priority

Prioritize remediation in normal high-severity patch cycles, faster for high-risk users who browse untrusted sites. No active exploitation is evidenced in the supplied sources, but the impact rating is serious.

Technical view

CVE-2023-43010 is described as CWE-120 memory corruption reachable through malicious web content. CVSS 3.1 is 8.8 with network attack vector, low complexity, no privileges required, user interaction required, and high confidentiality, integrity, and availability impact.

Likely exposure

Organizations with Apple endpoints or Safari installations below the fixed versions are the clearest exposure. The bundle lists iOS/iPadOS, macOS Sonoma, and Safari, but does not provide exact vulnerable version ranges beyond fixed releases.

Exploitation context

The provided bundle does not show KEV listing or cited evidence of active exploitation. The practical risk is drive-by or lure-based web content processing, but user interaction is required under the CVSS vector.

Researcher notes

Evidence is limited to advisory-level details. The bundle names memory corruption from malicious web content and improved memory handling, but does not include root-cause details, proof of concept, or exact vulnerable version boundaries.

Mitigation direction

  • Update iOS and iPadOS to the applicable fixed Apple release or later.
  • Update macOS Sonoma to 14.2 or later where applicable.
  • Update Safari to 17.2 or later where applicable.
  • For older supported iOS/iPadOS lines, apply 16.7.15 or 15.8.7 as applicable.
  • Review Apple and Red Hat advisories for environment-specific package guidance.

Validation and detection

  • Inventory Apple devices, macOS versions, iOS/iPadOS versions, and Safari versions.
  • Confirm deployed versions meet or exceed the fixed releases named by Apple.
  • Check vulnerability management tools for CVE-2023-43010 findings after patching.
  • Review Red Hat advisories if Red Hat-packaged browser components are in scope.
Prepared
Confidence
medium
Sources
11

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · low confidence lookup

CWE-120: 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.

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cve · low confidence lookup

CVE-2023-43010 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Official CVE source material

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.

2CVSS vectors
5Timeline events
3ADP providers
19Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total

CVSS vector scores

2 official scores

We 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.

ScoreVersionSeverityVectorExploitImpactSource
8.8CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9CISA-ADP
8.8CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9redhat-SADP

Vulnerability scoring details

Base CVSS 3.1 score

8.8High
CVSS 3.1 vector shape for CVE-2023-43010Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. ADP timelineredhat-SADP

    Made public.

  4. ADP timelineredhat-SADP

    Reported to Red Hat.

  5. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
cvssV3_1other:ssvc
CVECVE Program Container
redhat-SADPwebkitgtk: Processing maliciously crafted web content may lead to memory corruption
other:Red Hat severity ratingcvssV3_1
  • 2026-03-18T19:58:01.296Z: Reported to Red Hat.
  • 2026-03-18T00:00:00.000Z: Made public.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
AppleiOS and iPadOSunspecifiedListed
AppleSafariunspecifiedListed
ApplemacOSunspecifiedListed
AppleiOS and iPadOSunspecifiedListed
AppleiOS and iPadOSunspecifiedListed
Weakness

CWE details

CWE-120

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-120 · source CWE mapping

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

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