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Apple · Memory corruption

Apple Multiple Products Buffer Overflow Vulnerability

CVE-2025-31277

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 12 more are in your estate, and treat that as the priority.

Full vendor description

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. 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
~1.7% 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-119CWE-120

Affected products ()

  • Apple Safari
  • Apple Ipados
  • Apple Iphone Os
  • Apple Macos
  • Apple Tvos
  • Apple Visionos
  • Apple Watchos
  • Webkitgtk Webkitgtk
  • Wpewebkit Wpe Webkit
  • Redhat Enterprise Linux
  • Redhat Enterprise Linux Aus
  • Redhat Enterprise Linux Els
  • Redhat Enterprise Linux Eus
  • Redhat Enterprise Linux Tus
  • Redhat Enterprise Linux Update Services for Sap Solutions
Show the raw CPE strings (26)
  • 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:*:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
  • cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*
  • cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_aus:8.2:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_aus:8.4:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_aus:8.6:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_els:7.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_eus:9.4:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_tus:8.6:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_tus:8.8:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.8:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.0:*:*:*:*:*:*:*

Showing 25 of 26 matches from .

References

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

Related feed events

  • Apple Multiple Products Buffer Overflow Vulnerability

    Type Vulnerability

    Apple Safari, iOS, watchOS, visionOS, iPadOS, macOS, and tvOS contain a buffer overflow vulnerability that could allow the processing of maliciously crafted web content which may lead to memory…

    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-2025-31277