CVE-2022-32893

Exp

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.

Published: 2022-08-24 Last update: 2025-10-23 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-32893 is rated Active Exploitation (70/100): CVSS High severity, with low exploitation likelihood (EPSS 0.09%). CISA KEV confirms active exploitation (added 2022-08-18) affecting Apple / iOS and macOS. a weakness (CWE-787) Unauthenticated remote administrative access may be possible. The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2022-32893

Name: Apple iOS and macOS Out-of-Bounds Write Vulnerability · CISA KEV detail

Exploit added: 2022-08-18

Action due: 2022-09-08

Required action: Apply updates per vendor instructions.

Exploit prediction scoring system (EPSS) score for CVE-2022-32893

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-13 0.22% 0.09% -0.14%
2 2025-12-28 0.12% 0.22% +0.10%
3 2025-12-27 — 0.12% —

Full EPSS history (24 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-32893

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2022-32893

OS Trackers for CVE-2022-32893

vendor priority summary link
debian not yet assigned CVE-2022-32893 not yet assigned priority: Debian including 2 source packages (webkit2gtk, wpewebkit), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. https://security-tracker.debian.org/tracker/CVE-2022-32893
gentoo high CVE-2022-32893: 1 GLSA(s) (202208-39), 1 atom(s) (net-libs/webkit-gtk); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-32893
redhat medium — https://access.redhat.com/security/cve/CVE-2022-32893
suse high CVE-2022-32893 severity important: SUSE including 136 source package names (WebKit2GTK-4.0-lang-2.36.7-150400.4.12.1, WebKit2GTK-4.1-lang-2.36.7-150400.4.12.1, …), 389 product×package rows across 46 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (46 product lines)): Fixed 389. https://www.suse.com/security/cve/CVE-2022-32893/
ubuntu medium CVE-2022-32893 medium priority: Ubuntu including 5 source packages (qtwebkit-opensource-src, qtwebkit-source, webkit2gtk, webkitgtk, wpewebkit), 50 status rows across 10 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, trusty, upstream, xenial): DNE 23, ignored 17, not-affected 4, needs-triage 3, released 3. https://ubuntu.com/security/CVE-2022-32893

Affected software / configurations for CVE-2022-32893

Vendor Product Version Raw CPE
apple safari < 15.6.1 cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
apple ipados < 15.6.1 cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone_os < 15.6.1 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple macos >= 12.0, < 12.5.1 cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
fedoraproject fedora 35 cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
fedoraproject fedora 36 cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
debian debian_linux 11.0 cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
webkitgtk webkitgtk < 2.36.7 cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*
wpewebkit wpe_webkit < 2.36.7 cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*

References for CVE-2022-32893

URL Tags
http://seclists.org/fulldisclosure/2022/Aug/16 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Oct/49 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/25/5 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/26/2 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/29/1 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/29/2 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/02/10 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/13/1 Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00019.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7SETAAXEPGNBMYKTUDFEZHS5LGSQ64QL/ Broken Link
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKJGV2EXVMYQW3OAJNI4WUTKKVMD2YYK/ Broken Link
https://security.gentoo.org/glsa/202208-39 Third Party Advisory
https://support.apple.com/en-us/HT213412 Vendor Advisory
https://support.apple.com/en-us/HT213413 Vendor Advisory
https://support.apple.com/en-us/HT213414 Vendor Advisory
https://www.debian.org/security/2022/dsa-5219 Mailing List Third Party Advisory
https://www.debian.org/security/2022/dsa-5220 Mailing List Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-32893 US Government Resource
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