8.8

CVE-2023-23529: Apple Multiple Products WebKit Type Confusion Vulnerability

CVSS: 8.8v3.1HighKEVAnalyzed
AliasesMGASA-2023-0055RHSA-2023:0902RHSA-2023:0903
Published 27-02-2023Last modified 21-10-2025
Open JSON

Vulnerability summary

CVE-2023-23529 is a high (CVSS 8.8) Type Confusion vulnerability in Apple Multiple Products. It is known to be exploited: CISA lists it, first on 14-02-2023. EPSS estimates a 9.43% chance of exploitation in the next 30 days, higher than 95.3% of scored vulnerabilities.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
9.43%
0%100%
Low · -0.08 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 4
RHSA-2025:10364SUSE-SU-2023:0489-1SUSE-SU-2023:0490-1SUSE-SU-2023:0573-1SUSE-SU-2023:1681-1

Timeline

  1. 14-02-2023
    Added to CISA KEVApple Multiple Products WebKit Type Confusion Vulnerability
  2. 27-02-2023
    PublishedVulnerability first disclosed.
  3. 07-03-2023
    CISA remediation dueApply updates per vendor instructions.
  4. 21-10-2025
    Last modifiedVulnerability information updated.

Description

A type confusion issue was addressed with improved checks. This issue is fixed in iOS 15.7.4 and iPadOS 15.7.4, iOS 16.3.1 and iPadOS 16.3.1, macOS Ventura 13.2.1, Safari 16.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

9.43%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

-0.08 pp

From 9.50% on 19-09-2026

19-09-202619-10-2026
EPSS score
9.43%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
14-02-2023
Federal due date
07-03-2023

CISA required action

Apply updates per vendor instructions. nvd.nist.gov/vuln/detail/CVE-2023-23529

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat9 products
  • webkit2gtk3< 0:2.36.7-1.el8_7.2 | < 0:2.36.7-1.el9_1.2
  • webkit2gtk3-debuginfo< 0:2.36.7-1.el8_7.2 | < 0:2.36.7-1.el9_1.2
  • webkit2gtk3-debugsource< 0:2.36.7-1.el8_7.2 | < 0:2.36.7-1.el9_1.2
  • webkit2gtk3-devel< 0:2.36.7-1.el8_7.2 | < 0:2.36.7-1.el9_1.2
  • webkit2gtk3-devel-debuginfo< 0:2.36.7-1.el8_7.2 | < 0:2.36.7-1.el9_1.2
Apple5 products
  • ios and ipados≥ unspecified, < 16.3 | ≥ unspecified, < 15.7
  • ipados< 15.7.4 | ≥ 16.0, < 16.3.1
  • iphone_os< 15.7.4 | ≥ 16.0, < 16.3.1
  • macos≥ unspecified, < 13.2 | ≥ 13.0, < 13.2.1
  • safari≥ unspecified, < 16.3 | < 16.3
Ubuntu5 products
  • qtwebkit-opensource-srcAll versions (No fix recorded)
  • qtwebkit-sourceAll versions (No fix recorded)
  • webkit2gtkAll versions (No fix recorded) | < 2.38.5-0ubuntu0.20.04.1 | < 2.38.5-0ubuntu0.22.04.1
  • webkitgtkAll versions (No fix recorded)
  • wpewebkitAll versions (No fix recorded)
Debian2 products
  • webkit2gtk< 2.38.5-1 | < 2.38.5-1~deb11u1 | < 2.38.5-1~deb10u1
  • wpewebkit< 2.38.5-1 | < 2.38.5-1~deb11u1
Mageia1 product
  • webkit2< 2.38.5-1.mga8

5 vendors · 22 products

References

22 links
Show all 22 references