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CVE-2025-31277 CISA KEV · Actively exploited

Memory buffer overflow in Apple Safari

CVSS score

8.8

EPSS probability

%1.6

Risk score

0.3

Published

1 y ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Mitigation available

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Impact on My Inventory

Only the personal products you have added to your account are assessed; an organisation's inventory does not appear here.

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Vulnerability description

DayBreach CVE AI Research

CVE-2025-31277 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

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.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2025-31277 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1applesafari View
2appleiOS and iPadOS View
3applemacos View
4appletvos View
5applevisionos View
6applewatchos View
7applesafari View
8appleipados View
9appleiphone os View
10applemacos View
11appletvos View
12applevisionos View
13applewatchos View
14webkitgtkwebkitgtk View
15wpewebkitwpe webkit View
16redhatenterprise linux View
17redhatenterprise linux View
18redhatenterprise linux View
19redhatenterprise linux View
20redhatenterprise linux aus View
21redhatenterprise linux aus View
22redhatenterprise linux aus View
23redhatenterprise linux els View
24redhatenterprise linux eus View
25redhatenterprise linux eus View
26redhatenterprise linux eus View
27redhatenterprise linux tus View
28redhatenterprise linux tus View
29redhatenterprise linux update services for sap solutions View
30redhatenterprise linux update services for sap solutions View
31redhatenterprise linux update services for sap solutions View
32redhatenterprise linux update services for sap solutions View
33appleMultiple Products View
Total affected vendors: 4|Products: 33

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
8.8CVSS V31HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HNVD
8.8CVSS V3_1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE ADP

Patch and Remediation Guide

Solution & Remediation Advisory

Workaround

Resmî yama doğrulanamadı; geçici azaltım veya workaround mevcut.

canonical

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

This CVE is marked as actively exploited in the CISA KEV catalogue, but no verified, downloadable public PoC or Metasploit module has been found yet. Evidence of active exploitation does not mean that public exploit code exists.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-31277 is associated with the following CWEs:

CWE-119: Improper Restriction of Operations within the Bounds of a Memory BufferCWE-120: Common Weakness Enumeration Entry CWE-120

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-31277 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekiyor

Official Sources and Advisories

https://support.apple.com/en-us/124147vendor-advisoryhttps://support.apple.com/en-us/124149vendor-advisoryhttps://support.apple.com/en-us/124152vendor-advisoryhttps://support.apple.com/en-us/124153vendor-advisoryhttps://support.apple.com/en-us/124154vendor-advisoryhttps://support.apple.com/en-us/124155vendor-advisoryhttp://seclists.org/fulldisclosure/2025/Aug/0nvdhttp://seclists.org/fulldisclosure/2025/Jul/30nvdhttp://seclists.org/fulldisclosure/2025/Jul/32nvdhttp://seclists.org/fulldisclosure/2025/Jul/36nvd

CVSS Vector Radar Chart

8.8 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.RequiredConfidentialityLowIntegrityHighAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone required
User Interaction—
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)High
Availability (Erişilebilirlik)High

Geçici çözüm

Resmî yama doğrulanamadı; geçici azaltım veya workaround mevcut.

Follow the vendor

A
apple logo
apple
W
webkitgtk logo
webkitgtk
W
wpewebkit logo
wpewebkit
R
redhat logo
redhat

Weakness Type (CWE & CAPEC)

CWE-119 CWE-120

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