Apple iOS and macOS Out-of-Bounds Write Vulnerability
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…
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 3 / 5
- KEV catalog (CISA)18 Aug 2022
- Exploited in EUVD (ENISA)18 Aug 2022
- Used by ransomwareno
- EPSS above 10 %9.9%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply updates per vendor instructions.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Description ENISA EUVD
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.
Affected products
- unspecified <12.5
- unspecified <15.6
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
-
Exploitation reported (ENISA)
-
Added to the KEV catalog
-
Published
-
CISA remediation due date
References
- cve.org · CVE-2022-32893
- ENISA EUVD · EUVD-2022-35959
- CISA KEV
- FIRST EPSS
- support.apple.com
- support.apple.com
- support.apple.com
- openwall.com
- openwall.com
- lists.fedoraproject.org
- debian.org
- debian.org
- openwall.com
- openwall.com
- lists.debian.org
- security.gentoo.org
- seclists.org
- openwall.com
- lists.fedoraproject.org
- openwall.com
Other exploited vulnerabilities from the same vendor
- CVE-2026-86950Apple Multiple Products Out-of-Bounds Write Vulnerability6.7 · Actively exploited
- CVE-2026-65400Apple macOS Improper Authentication Vulnerability5.8 · Actively exploited
- CVE-2025-43520Apple Multiple Products Classic Buffer Overflow Vulnerability3.4 · Background exploitation
- CVE-2025-43510Apple Multiple Products Improper Locking Vulnerability4.3 · Background exploitation
- CVE-2025-31277Apple Multiple Products Buffer Overflow Vulnerability5.4 · Background exploitation
- CVE-2023-43000Apple Multiple products Use-After-Free Vulnerability5.4 · Background exploitation