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Apple · Memory corruption

Apple Multiple products Use-After-Free Vulnerability

CVE-2023-43000

What this means

This is rated high severity (8.8 out of 10). It is on the known-exploited catalogue, which means attacks using it have already been seen. Ask IT whether Apple Safari, Apple Ipados and Apple Iphone Os, and 1 more are in your estate, and treat that as the priority.

Full vendor description

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.

Scoring and exploitation

8.8/ 10
CVSS 3.1 base scoreHigh

Exploitable over the network without any account, but only if a user takes an action, such as opening a file or link. High impact on confidentiality, integrity and availability.

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

Exploitability

Longer bar: easier to attack

Attack vectorNetworkAV:N
Attack complexityLowAC:L
Privileges requiredNonePR:N
User interactionRequiredUI:R
ScopeUnchangedS:U

Impact

Longer bar: more harm

ConfidentialityHighC:H
IntegrityHighI:H
AvailabilityHighA:H
~4% estimated chance of attack in 30 daysModel estimate (): a probability signal, not confirmed exploitation
Exploited in the wild
Yes — confirmed exploitation (US CISA )
Not reported
Listed product
Apple Multiple Products

Weaknesses

CWE-416

Affected products ()

  • Apple Safari
  • Apple Ipados
  • Apple Iphone Os
  • Apple Macos
Show the raw CPE strings (4)
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

References

6 links from the CVE record, grouped by site; the vendor's advisory comes first.

Related feed events

  • Apple Multiple products Use-After-Free Vulnerability

    Type Vulnerability

    6 contain a use-after-free vulnerability due to the processing of maliciously crafted web content that may lead to memory corruption. Known-exploited catalogue reports exploitation in the wild.

    Next step: Confirm whether Apple Multiple Products is in your estate.

    Who's reporting

    1 of 3 perspectives

    Official authority: Official 1Vendor statement missing. no VendorResearcher coverage missing. no Researcher1 signal

    Only official coverage so far. Treat as an early signal.

    Apple Multiple Products
    CVE-2023-43000