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CVE-2023-39434

UNKNOWN
Published 2023-09-26T20:14:45.109Z
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CVSS Score

V3.1
8.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.005
probability
of exploitation in the wild

There is a 0.5% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.648
Higher than 64.8% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. Processing web content may lead to arbitrary code execution.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Apple

iOS and iPadOS

Affected Versions:

unspecified
Apple

macOS

Affected Versions:

unspecified
Apple

watchOS

Affected Versions:

unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-84c6-x9x8-7q38

Advisory Details

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. Processing web content may lead to arbitrary code execution.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-39434
WEB https://security.gentoo.org/glsa/202401-33
WEB https://support.apple.com/en-us/HT213937
WEB https://support.apple.com/en-us/HT213938
WEB https://support.apple.com/en-us/HT213940
WEB https://webkitgtk.org/security/WSA-2023-0009.html
WEB http://seclists.org/fulldisclosure/2023/Oct/3
WEB http://seclists.org/fulldisclosure/2023/Oct/8
WEB http://seclists.org/fulldisclosure/2023/Oct/9
WEB http://www.openwall.com/lists/oss-security/2023/09/28/3

Advisory provided by GitHub Security Advisory Database. Published: September 27, 2023, Modified: May 2, 2025

References

https://support.apple.com/en-us/HT213938
https://support.apple.com/en-us/HT213940
https://support.apple.com/en-us/HT213937
http://www.openwall.com/lists/oss-security/2023/09/28/3
http://seclists.org/fulldisclosure/2023/Oct/8
http://seclists.org/fulldisclosure/2023/Oct/9
http://seclists.org/fulldisclosure/2023/Oct/3
https://security.gentoo.org/glsa/202401-33
Published: 2023-09-26T20:14:45.109Z
Last Modified: 2025-05-02T17:46:48.633Z
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