CVE-2023-41064

Apple iOS, iPadOS, and macOS: ImageIO Buffer Overflow

As of , CVE-2023-41064 in Apple iOS, iPadOS, and macOS is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 11 September 2023
US federal deadline
2 October 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.53Higher than 98% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.00 on 11 September 2023EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: support.apple.comLinks below, from CISA's entry.

What CISA says to do

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

CISA's required action

What the flaw is

Apple iOS, iPadOS, and macOS contain a buffer overflow vulnerability in ImageIO when processing a maliciously crafted image, which may lead to code execution. This vulnerability was chained with CVE-2023-41061.

CISA's description

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.

The CVE record's description, from apple

CVE published
7 September 2023
Assigned by
apple
CVSS
7.8 High (CVSS 3.1, from CISA-ADP)
CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

iOS, iPadOS, and macOS: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2020-9934Input ValidationApple iOS, iPadOS, and macOSPatch this weekMetasploit module0.03
CVE-2025-43300Out-of-Bounds WriteApple iOS, iPadOS, and macOSPatch soon0.32
CVE-2023-28206IOSurfaceAccelerator Out-of-Bounds WriteApple iOS, iPadOS, and macOSPatch soon0.23
CVE-2022-22620Webkit Use-After-FreeApple iOS, iPadOS, and macOSPatch soon0.16
CVE-2021-30858iOS, iPadOS, macOS Use-After-FreeApple iOS, iPadOS, and macOSPatch soon0.13
CVE-2021-1870WebKit Remote Code ExecutionApple iOS, iPadOS, and macOSPatch soon0.08
CVE-2021-1871WebKit Remote Code ExecutionApple iOS, iPadOS, and macOSPatch soon0.07
CVE-2021-30900Out-of-Bounds WriteApple iOS, iPadOS, and macOSPatch soon0.05
CVE-2022-32917Remote Code ExecutionApple iOS, iPadOS, and macOSPatch soon0.06
CVE-2021-30869Type ConfusionApple iOS, iPadOS, and macOSPatch soon0.04

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