CVE-2023-40394

Reference Links

• https://support.apple.com/en-us/HT213841 (Advisory)

Parent vulnerabilities

(Appears in the following advisories)

• HT213841

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2023-40442
• CVE-2023-40439
• CVE-2023-34425
• CVE-2023-38136
• CVE-2023-38580
• CVE-2023-40392
• CVE-2023-40437
• CVE-2023-32416
• CVE-2022-3970
• CVE-2023-38590
• CVE-2023-38598
• CVE-2023-36495
• CVE-2023-38604
• CVE-2023-32734
• CVE-2023-32441
• CVE-2023-38261
• CVE-2023-38424
• CVE-2023-38425
• CVE-2023-38606
• CVE-2023-32381
• CVE-2023-32433
• CVE-2023-35993
• CVE-2023-41995
• CVE-2023-38410
• CVE-2023-38603
• CVE-2023-40400
• CVE-2023-38565
• CVE-2023-38593
• CVE-2023-40394
• CVE-2023-32437
• CVE-2023-38605
• CVE-2023-40397
• CVE-2023-38599
• CVE-2023-32445
• CVE-2023-38592
• CVE-2023-38572
• CVE-2023-38594
• CVE-2023-38595
• CVE-2023-38600
• CVE-2023-38611
• CVE-2023-37450
• CVE-2023-42866
• CVE-2023-38597
• CVE-2023-38133

Frequently Asked Questions

• What is CVE-2023-40394?

  CVE-2023-40394 is a vulnerability related to logging in Apple iOS and iPadOS where improved validation of environment variables has been implemented to address the issue.

• What is the severity of CVE-2023-40394?

  The severity of CVE-2023-40394 has not been specified.

• Which software products are affected by CVE-2023-40394?

  CVE-2023-40394 affects Apple iOS and iPadOS versions up to, but not including, version 16.6.

• How can I fix CVE-2023-40394?

  To fix CVE-2023-40394, it is recommended to update to Apple iOS or iPadOS version 16.6 or later, as the issue has been addressed in this version.

• Where can I find more information about CVE-2023-40394?

  More information about CVE-2023-40394 can be found in the official Apple security advisory at the following link: https://support.apple.com/en-us/HT213841