PatchSiren

PatchSiren cyber security CVE debrief

CVE-2023-41064 Apple CVE debrief

CVE-2023-41064 is an Apple ImageIO buffer overflow affecting iOS, iPadOS, and macOS. CISA placed it in the Known Exploited Vulnerabilities catalog on 2023-09-11, which makes remediation urgent for organizations that manage Apple devices.

Vendor
Apple
Product
iOS, iPadOS, and macOS
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2023-09-11
Original CVE updated
2023-09-11
Advisory published
2023-09-11
Advisory updated
2023-09-11

Who should care

Apple device administrators, MDM and endpoint security teams, and organizations with iPhone, iPad, or Mac fleets should prioritize this CVE. Any environment that routinely processes untrusted images should pay attention because the issue is in ImageIO.

Technical summary

The vulnerability is described as a buffer overflow in Apple ImageIO, the component used for image handling on iOS, iPadOS, and macOS. The supplied source corpus does not include deeper exploit mechanics, but the KEV listing shows the issue is significant enough to require prompt mitigation.

Defensive priority

Immediate. CISA’s KEV catalog entry indicates known exploitation, and CISA directs organizations to apply vendor mitigations or discontinue use if mitigations are unavailable.

Recommended defensive actions

  • Apply the relevant Apple security updates referenced by CISA as soon as possible.
  • Use MDM or other fleet management tooling to verify remediation across iPhone, iPad, and Mac devices.
  • Prioritize externally exposed, high-risk, and user-facing devices first.
  • If a device or deployment cannot be mitigated, follow CISA guidance to discontinue use until a fix is available.
  • Monitor asset inventories to confirm no unmanaged or out-of-date Apple devices remain in service.

Evidence notes

CISA added CVE-2023-41064 to the Known Exploited Vulnerabilities catalog on 2023-09-11 and assigned a remediation due date of 2023-10-02. The CISA entry states: apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. The supplied metadata also references official Apple support advisories and NVD/CVE records, but no CVSS score was provided in the source corpus.

Official resources

Publicly published on 2023-09-11 and added to CISA’s KEV catalog on the same date, with a due date of 2023-10-02 for remediation actions.