CISA KEV · Known exploitedHigh

CVE-2023-41064

Apple iOS, iPadOS, and macOS

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 16.6.1 and iPadOS 16.6.1, macOS Monterey 12.6.9, macOS Ventura 13.5.2, iOS 15.7.9 and iPadOS 15.7.9, macOS Big Sur 11.7.10. Processing a maliciously crafted image may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

CVSS
7.8
EPSS
15.3%
96.4% percentile
CISA KEV
Listed
Published
2023.09.08
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability15.3%
Technical severityCVSS 7.8

Vulnerability overview

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 16.6.1 and iPadOS 16.6.1, macOS Monterey 12.6.9, macOS Ventura 13.5.2, iOS 15.7.9 and iPadOS 15.7.9, macOS Big Sur 11.7.10. Processing a maliciously crafted image may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Affected product and versions

Product
Apple iOS, iPadOS, and macOS
Affected versions
unspecified, < 15.7.9, >= 16.0 < 16.6.1, >= 11.0 < 11.7.10, >= 12.0 < 12.6.9, >= 13.0 < 13.5.2
Fixed versions
15.7.9, 16.6.1, 11.7.10, 12.6.9, 13.5.2

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Due date: 2023.10.02
  1. 1
    Identify

    Confirm that Apple iOS, iPadOS, and macOS and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-120
KEV added
2023.09.11
Ransomware use
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