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CVE-2022-32893: Apple iOS and macOS Out-of-Bounds Write Vulnerability

85
Patch now
HIGH 8.8EXPLOITEDWATCHLISTUPGRADEUPGRADEUPGRADE

CVE-2022-32893 is a high-severity flaw (CVSS 8.8) affecting safari, ipados, iphone os, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.6.1 and iPadOS 15.6.1, macOS Monterey 12.5.1, Safari 15.6.1. 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.

Why this priority

  • High severity
  • EPSS top 4%: very likely to be exploited
  • Exploited in the wild (CISA KEV)
  • On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score8.8 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance9.9% (top 4%)
CISA exploited listYes, fix due 2022-09-08
WeaknessCWE-787
Published2022-08-24
Last modified2026-06-17
Publisher (CNA): Apple Inc. · Vendor: apple · debian · fedoraproject

Share: LinkedIn · X · Reddit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

apple safari UPGRADE
Affected: < 15.6.1
Fixed in: 15.6.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy safari || rpm -q safari || safari --version
2. UPGRADE to 15.6.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade safari
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade safari
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
apple ipados UPGRADE
Affected: < 15.6.1
Fixed in: 15.6.1
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
apple iphone os UPGRADE
Affected: < 15.6.1
Fixed in: 15.6.1
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
apple macos UPGRADE
Affected: >= 12.0 and < 12.5.1
Fixed in: 12.5.1
Safe to downgrade to: a release before 12.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
fedoraproject fedora MITIGATE
Affected: 35 · 36
Fixed in: no fixed release known
Safe to downgrade to: a release before 35
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
debian debian linux MITIGATE
Affected: 10.0 · 11.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 10.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.
Fedora ELN · luksmeta · FIXED · 11-3.eln159 · FEDORA-2026-5176083b78 · source
sudo dnf upgrade --advisory=FEDORA-2026-5176083b78
Fedora 46 · openscad · FIXED · 2021.01-34.fc46 · FEDORA-2026-faf1721128 · source
sudo dnf upgrade --advisory=FEDORA-2026-faf1721128
Ubuntu 20.04 · webkit2gtk · FIXED · 2.36.7-0ubuntu0.20.04.1
sudo apt update && sudo apt install --only-upgrade webkit2gtk dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.36.7-0ubuntu0.20.04.1" && echo PATCHED || echo STILL-VULNERABLE
Ubuntu 22.04 · webkit2gtk · FIXED · 2.36.7-0ubuntu0.22.04.1
sudo apt update && sudo apt install --only-upgrade webkit2gtk dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.36.7-0ubuntu0.22.04.1" && echo PATCHED || echo STILL-VULNERABLE
Ubuntu 24.04 · webkit2gtk · NOT AFFECTED
Debian 12 · webkit2gtk · FIXED · 2.36.7-1
sudo apt update && sudo apt install --only-upgrade webkit2gtk dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.36.7-1" && echo PATCHED || echo STILL-VULNERABLE
Debian 13 · webkit2gtk · FIXED · 2.36.7-1
sudo apt update && sudo apt install --only-upgrade webkit2gtk dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.36.7-1" && echo PATCHED || echo STILL-VULNERABLE
Debian 12 · wpewebkit · FIXED · 2.36.7-1
sudo apt update && sudo apt install --only-upgrade wpewebkit dpkg --compare-versions "$(dpkg-query -W -f='${Version}' wpewebkit)" ge "2.36.7-1" && echo PATCHED || echo STILL-VULNERABLE
Debian 13 · wpewebkit · FIXED · 2.36.7-1
sudo apt update && sudo apt install --only-upgrade wpewebkit dpkg --compare-versions "$(dpkg-query -W -f='${Version}' wpewebkit)" ge "2.36.7-1" && echo PATCHED || echo STILL-VULNERABLE
RHEL 7 Extended Lifecycle Support · webkitgtk4 · FIXED · webkitgtk4-2.48.3-2.el7_9
sudo dnf upgrade --advisory=RHSA-2025:10364 rpm -q webkitgtk4
RHEL 8 · webkit2gtk3 · FIXED · webkit2gtk3-2.36.7-1.el8_6
sudo dnf upgrade --advisory=RHSA-2022:6540 rpm -q webkit2gtk3
RHEL 9 · webkit2gtk3 · FIXED · webkit2gtk3-2.36.7-1.el9_0
sudo dnf upgrade --advisory=RHSA-2022:6634 rpm -q webkit2gtk3
RHEL 6 · webkitgtk · DEFERRED
RHEL 7 · webkitgtk3 · DEFERRED
Amazon Linux 2 · see advisory · FIXED · ALAS2-2023-2088 · source
sudo yum update --advisory=ALAS2-2023-2088
Verify at the official source NVD · CVE Program · CISA KEV catalog · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-32893?

safari: upgrade to 15.6.1; ipados: upgrade to 15.6.1; iphone os: upgrade to 15.6.1. Exact commands for each OS are on this page.

Is CVE-2022-32893 being exploited?

Yes. CVE-2022-32893 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

What does CVE-2022-32893 affect?

CVE-2022-32893 affects safari, ipados, iphone os. Severity is high (CVSS 8.8). An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.6.1 and iPadOS 15.6.1, macOS Monterey 12.5.1, Safari 15.6.1. Processing maliciously crafted web content may lead to arbitrary code execu

How urgent is CVE-2022-32893?

Priority 85/100. High severity; EPSS top 4%: very likely to be exploited; Exploited in the wild (CISA KEV); On your watchlist

Software pages

Debian vulnerabilities · iOS vulnerabilities · macOS vulnerabilities · Safari vulnerabilities · Apple Safari and WebKit vulnerabilities · iPadOS vulnerabilities

Related CVEs

References

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