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CVE-2023-32435 (GCVE-0-2023-32435)

Vulnerability from cvelistv5 – Published: 2023-06-23 00:00 – Updated: 2025-10-21 23:05
VLAI CISA Previdian
Summary
A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.3, Safari 16.4, iOS 16.4 and iPadOS 16.4, iOS 15.7.7 and iPadOS 15.7.7. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-27 22:13 UTC
CWE
  • Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.
  • CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
Vendor Product Version CPE status
Apple macOS Affected: unspecified , < 13.3 (custom)
guessed Create a notification for this product.
Apple iOS and iPadOS Affected: unspecified , < 15.7 (custom)
guessed Create a notification for this product.
Apple Safari Affected: unspecified , < 16.4 (custom)
guessed Create a notification for this product.
Apple iOS and iPadOS Affected: unspecified , < 16.4 (custom)
guessed Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 41a7ac4f-266e-408d-8d7f-592cb11a873d

Vulnerability ID: CVE-2023-32435

Status: Confirmed

Status Updated: 2023-06-23 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-06-23
Asserted: 2023-06-23
Scope
Notes: KEV entry: Apple Multiple Products WebKit Memory Corruption Vulnerability | Affected: Apple / Multiple Products | Description: Apple iOS, iPadOS, macOS, and Safari WebKit contain a memory corruption vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing. | Required action: Apply updates per vendor instructions. | Due date: 2023-07-14 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://support.apple.com/en-us/HT213670, https://support.apple.com/en-us/HT213671, https://support.apple.com/en-us/HT213676, https://support.apple.com/en-us/HT213811; https://nvd.nist.gov/vuln/detail/CVE-2023-32435
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-787
Feed CISA Known Exploited Vulnerabilities Catalog
Product Multiple Products
Due Date 2023-07-14
Date Added 2023-06-23
Vendorproject Apple
Vulnerabilityname Apple Multiple Products WebKit Memory Corruption Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:26 UTC | Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: cf522392-4057-4f0b-ac98-9a72aa744a46

Vulnerability ID: CVE-2023-32435

Status: Confirmed

Status Updated: 2023-06-23 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-06-23
Asserted: 2023-06-23
Scope
Notes: KEVIntel entry: A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.3, Safari 16.4, iOS 16.4 and iPadOS... | Affected: Apple / macOS, iOS and iPadOS, Safari | CVSS: 8.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.3, Safari 16.4, iOS 16.4 and iPadOS...
Vendor Apple
Product macOS, iOS and iPadOS, Safari
Added Date 2023-06-23T00:00:00.000Z
Cvss Score 8.8
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:05 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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    "redhat_vex": {
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      "current_release_date": "2025-11-21T14:14:30+00:00",
      "cve": "CVE-2023-32435",
      "id": "CVE-2023-32435",
      "initial_release_date": "2023-06-29T00:00:00+00:00",
      "product_status:fixed": "116",
      "product_status:known_affected": "9",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "webkitgtk: memory corruption issue leading to arbitrary code execution",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-32435.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-01T01:20:16Z",
      "cve": "CVE-2023-32435",
      "id": "CVE-2023-32435",
      "initial_release_date": "2023-06-30T01:13:28Z",
      "product_status:known_affected": "138",
      "product_status:recommended": "743",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-32435",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-32435.json",
      "version": "24"
    },
    "vulnrichment": {
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      "cveMetadata": "{\"cveId\": \"CVE-2023-32435\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-21T23:05:44.502Z\", \"dateReserved\": \"2023-05-08T00:00:00.000Z\", \"assignerOrgId\": \"286789f9-fbc2-4510-9f9a-43facdede74c\", \"datePublished\": \"2023-06-23T00:00:00.000Z\", \"assignerShortName\": \"apple\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.