CVE-2024-23218

A timing side-channel issue was addressed with improvements to constant-time computation in cryptographic functions. This issue is fixed in iOS 16.7.6 and iPadOS 16.7.6, iOS 17.3 and iPadOS 17.3, macOS Monterey 12.7.4, macOS Sonoma 14.3, macOS Ventura 13.6.5, tvOS 17.3, watchOS 10.3. An attacker may be able to decrypt legacy RSA PKCS#1 v1.5 ciphertexts without having the private key.

• CWE-203
• CWE-203

• https://support.apple.com/en-us/120304
• https://support.apple.com/en-us/120306
• https://support.apple.com/en-us/120309
• https://support.apple.com/en-us/120311
• https://support.apple.com/en-us/120880
• https://support.apple.com/en-us/120884
• https://support.apple.com/en-us/120886
• http://seclists.org/fulldisclosure/2024/Jan/33Third Party Advisory
• http://seclists.org/fulldisclosure/2024/Jan/36Third Party Advisory
• http://seclists.org/fulldisclosure/2024/Jan/39Third Party Advisory
• http://seclists.org/fulldisclosure/2024/Jan/40Third Party Advisory
• http://seclists.org/fulldisclosure/2024/Mar/22
• http://seclists.org/fulldisclosure/2024/Mar/23
• https://support.apple.com/en-us/HT214055Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT214059Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT214060Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT214061Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT214055
• https://support.apple.com/kb/HT214059
• https://support.apple.com/kb/HT214061
• https://support.apple.com/kb/HT214082
• https://support.apple.com/kb/HT214083
• https://support.apple.com/kb/HT214085

Published

Jan 23, 2024

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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