CVE-2025-31277 (GCVE-0-2025-31277)

Vulnerability from cvelistv5 – Published: 2025-07-29 23:29 – Updated: 2026-03-20 16:20
VLAI? CISA KEV
Summary
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, watchOS 11.6, visionOS 2.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6. Processing maliciously crafted web content may lead to memory corruption.
Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • Processing maliciously crafted web content may lead to memory corruption
Assigner
References
Impacted products
Vendor Product Version
Apple Safari Affected: unspecified , < 18.6 (custom)
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    Apple macOS Affected: unspecified , < 15.6 (custom)
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    Apple tvOS Affected: unspecified , < 18.6 (custom)
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    Apple visionOS Affected: unspecified , < 2.6 (custom)
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    Apple watchOS Affected: unspecified , < 11.6 (custom)
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    Apple iOS and iPadOS Affected: unspecified , < 18.6 (custom)
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CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 274f0726-4043-49ae-b09c-dd4c5e739b43

Vulnerability ID: CVE-2025-31277

Status: Confirmed

Status Updated: 2026-03-20 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2026-03-20
Asserted: 2026-03-20
Scope
Notes: KEV entry: Apple Multiple Products Buffer Overflow Vulnerability | Affected: Apple / Multiple Products | Description: 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 corruption. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-04-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://support.apple.com/en-us/124147 ; https://support.apple.com/en-us/124149 ; https://support.apple.com/en-us/124152 ; https://support.apple.com/en-us/124153 ; https://support.apple.com/en-us/124155 ; https://nvd.nist.gov/vuln/detail/CVE-2025-31277
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-119
Feed CISA Known Exploited Vulnerabilities Catalog
Product Multiple Products
Due Date 2026-04-03
Date Added 2026-03-20
Vendorproject Apple
Vulnerabilityname Apple Multiple Products Buffer Overflow Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-03-20 16:00 UTC | Updated: 2026-03-20 16:00 UTC
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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.