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CVE-2023-32409

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 9.5, macOS...

8.6 HighIn KEVFix available

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8 and iPadOS 15.7.8, Safari 16.5, iOS 16.5 and iPadOS 16.5. A remote attacker may be able to break out of Web Content sandbox. Apple is aware of a report that this issue may have been actively exploited.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

16.5%Up 16.4 points since Jun 24, 2023
90%50%10%1%

What each source reports

NVD Score used 8.6

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8 and iPadOS 15.7.8, Safari 16.5, iOS 16.5 and iPadOS 16.5. A remote attacker may be able to break out of Web Content sandbox. Apple is aware of a report that this issue may have been actively exploited.

Record
CVE-2023-32409
CVSS 3.1
8.6 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Updated
2026-11-02
CVE List 8.6

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8 and iPadOS 15.7.8, Safari 16.5, iOS 16.5 and iPadOS 16.5. A remote attacker may be able to break out of Web Content sandbox. Apple is aware of a report that this issue may have been actively exploited.

Record
CVE-2023-32409
CVSS 3.1
8.6 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Updated
2026-11-02
EUVDEUVD-2023-36653 8.6

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8 and iPadOS 15.7.8, Safari 16.5, iOS 16.5 and iPadOS 16.5. A remote attacker may be able to break out of Web Content sandbox. Apple is aware of a report that this issue may have been actively exploited.

Record
EUVD-2023-36653
CVSS 3.1
8.6 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-hwfm-xf3j-ph3g 8.6

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 9.5, macOS...

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 9.5, macOS Ventura 13.4, Safari 16.5, tvOS 16.5, iOS 16.5 and iPadOS 16.5. A remote attacker may be able to break out of Web Content sandbox. Apple is aware of a report that this issue may have been actively exploited.

Record
GHSA-hwfm-xf3j-ph3g
CVSS 3.1
8.6 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Updated
2026-11-02
CISA KEV No score

Apple Multiple Products WebKit Sandbox Escape Vulnerability

Apple iOS, iPadOS, macOS, tvOS, watchOS, and Safari WebKit contain an unspecified vulnerability that can allow a remote attacker to break out of the Web Content sandbox. 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.

Record
CVE-2023-32409
Updated
2026-11-02
OSV 8.6

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8 and iPadOS 15.7.8, Safari 16.5, iOS 16.5 and iPadOS 16.5. A remote attacker may be able to break out of Web Content sandbox. Apple is aware of a report that this issue may have been actively exploited.

Record
CVE-2023-32409
CVSS 3.1
8.6 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Updated
2026-11-02
Show 4 moreShow less
OSVDEBIAN-CVE-2023-32409 8.6

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8 and iPadOS 15.7.8, Safari 16.5, iOS 16.5 and iPadOS 16.5. A remote attacker may be able to break out of Web Content sandbox. Apple is aware of a report that this issue may have been actively exploited.

Record
DEBIAN-CVE-2023-32409
CVSS 3.1
8.6 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Updated
2026-11-02
OSVOESA-2023-1309 8.8

webkit2gtk3 security update

WebKitGTK is a full-featured port of the WebKit rendering engine,suitable for projects requiring any kind of web integration, from hybrid HTML/CSS applications to full-fledged web browsers. This package contains WebKit2 based WebKitGTK+ for GTK+ 3.

Security Fix(es):

A use after free vulnerability was found in the webkitgtk package. Processing maliciously crafted web content may lead to arbitrary code execution.(CVE-2023-32373)

A flaw was found in the webkitgtk package. An out of bounds read may be possible when processing malicious web content, which can lead to information disclosure.(CVE-2023-28204)

A flaw was found in the WebGPU, part of the Webkit project. This flaw allows a remote attacker to break out of the Web Content sandbox.(CVE-2023-32409)

Record
OESA-2023-1309
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2023-1310 8.8

webkit2gtk3 security update

WebKitGTK is a full-featured port of the WebKit rendering engine,suitable for projects requiring any kind of web integration, from hybrid HTML/CSS applications to full-fledged web browsers. This package contains WebKit2 based WebKitGTK+ for GTK+ 3.

Security Fix(es):

A use after free vulnerability was found in the webkitgtk package. Processing maliciously crafted web content may lead to arbitrary code execution.(CVE-2023-32373)

A flaw was found in the webkitgtk package. An out of bounds read may be possible when processing malicious web content, which can lead to information disclosure.(CVE-2023-28204)

A flaw was found in the WebGPU, part of the Webkit project. This flaw allows a remote attacker to break out of the Web Content sandbox.(CVE-2023-32409)

Record
OESA-2023-1310
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2023-32409 8.6

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8 and iPadOS 15.7.8, Safari 16.5, iOS 16.5 and iPadOS 16.5. A remote attacker may be able to break out of Web Content sandbox. Apple is aware of a report that this issue may have been actively exploited.

Record
UBUNTU-CVE-2023-32409
CVSS 3.1
8.6 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
webkit2gtk
Debian:12
 before 2.42.0-1, plus listed versions
2.40.1-12.40.2-12.40.2-1~deb11u12.40.2-1~deb12u12.40.3-1
Show 17 moreShow less
2.40.3-22.40.3-2~deb11u12.40.3-2~deb11u22.40.3-2~deb12u12.40.3-2~deb12u22.40.4-12.40.5-12.40.5-1~deb11u12.40.5-1~deb12u12.41.4-12.41.5-12.41.6-12.41.90-12.41.91-12.41.91-22.41.92-12.42.0-1~bpo12+1
2.42.0-1
webkit2gtk
Debian:13
 before 2.42.0-1
2.42.0-1
webkit2gtk
Debian:14
 before 2.42.0-1
2.42.0-1
wpewebkit
Debian:12
 All versions, plus listed versions
2.38.6-12.39.91-12.40.0-12.40.1-12.40.2-1
Show 45 moreShow less
2.40.2-22.40.3-12.40.4-12.40.5-12.42.0-12.42.1-12.42.2-12.42.3-12.42.4-12.42.5-12.42.5-1.12.42.5-1.1~exp12.42.5-1.22.42.5-2~exp2.44.1-12.44.2-12.44.2-22.44.3-12.44.4-12.46.1-12.46.2-12.46.3-12.46.4-12.46.5-12.46.6-12.48.0-12.48.1-12.48.1-22.48.2-12.48.3-12.48.5-12.48.6-12.48.6-22.50.0-12.50.0-22.50.1-12.50.2-12.50.3-12.50.4-12.50.5-12.50.6-12.52.0-12.52.1-12.52.2-12.52.2-2
 None known
wpewebkit
Debian:13
 before 2.42.0-1
2.42.0-1
wpewebkit
Debian:14
 before 2.42.0-1
2.42.0-1
webkit2gtk3
openEuler:22.03-LTS
From an advisory covering 3 CVEs
 before 2.36.3-4.oe2203
2.36.3-4.oe2203
webkit2gtk3
openEuler:22.03-LTS-SP1
From an advisory covering 3 CVEs
 before 2.36.3-4.oe2203sp1
2.36.3-4.oe2203sp1
qtwebkit-opensource-src
Ubuntu:16.04:LTS
 All versions, plus listed versions
5.4.2+dfsg-1ubuntu2.15.5.1+dfsg-2ubuntu1
 None known
qtwebkit-source
Ubuntu:16.04:LTS
 All versions, plus listed versions
2.3.2-0ubuntu102.3.2-0ubuntu11
 None known
Show 7 moreShow less
Affected packages
PackageAffectedFixed
qtwebkit-opensource-src
Ubuntu:18.04:LTS
 All versions, plus listed versions
5.9.1+dfsg-5ubuntu15.9.1+dfsg-5ubuntu35.212.0~alpha2-5build25.212.0~alpha2-5build45.212.0~alpha2-75.212.0~alpha2-7build25.212.0~alpha2-7ubuntu1
 None known
qtwebkit-source
Ubuntu:18.04:LTS
 All versions, plus listed versions
2.3.2-0ubuntu13
 None known
qtwebkit-opensource-src
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.212.0~alpha3-35.212.0~alpha3-55.212.0~alpha3-65.212.0~alpha3-75.212.0~alpha4-15.212.0~alpha4-1ubuntu15.212.0~alpha4-1ubuntu25.212.0~alpha4-1ubuntu2.1
 None known
wpewebkit
Ubuntu:20.04:LTS
 All versions, plus listed versions
2.26.3-12.26.4-12.26.4-1build12.28.0-12.28.1-1
 None known
qtwebkit-opensource-src
Ubuntu:22.04:LTS
 All versions, plus listed versions
5.212.0~alpha4-125.212.0~alpha4-135.212.0~alpha4-145.212.0~alpha4-14build15.212.0~alpha4-14ubuntu25.212.0~alpha4-15ubuntu1
 None known
wpewebkit
Ubuntu:22.04:LTS
 All versions, plus listed versions
2.32.4-12.34.1-12.34.2-12.34.3-12.34.4-1
Show 4 moreShow less
2.34.5-12.34.6-12.36.0-2ubuntu22.36.0-2ubuntu3
 None known
qtwebkit-opensource-src
Ubuntu:24.04:LTS
 All versions, plus listed versions
5.212.0~alpha4-335.212.0~alpha4-33build15.212.0~alpha4-345.212.0~alpha4-34ubuntu35.212.0~alpha4-34ubuntu45.212.0~alpha4-36
 None known

History

History
RecordedChangedSources
affected
exploitation
first indexedCVE List, EUVD, GitHub Advisories, CISA KEV, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-32409 is a high vulnerability (CVSS 8.6) in Apple Ipados, published June 3, 2023. CISA lists it as known to be exploited, since May 22, 2023. EUVD reports exploitation since May 22, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 16.5%, the 97th percentile. Fixed in webkit2gtk 2.42.0-1.

References

Show 14 moreShow less
This page doesn't list everything

Left out here: 8 versions. The JSON record has them.

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