CVE-2015-1157

CoreText in Apple iOS 8.x through 8.3 allows remote attackers to cause a denial of service (reboot and messaging disruption) via crafted Unicode text that is not properly handled during display truncation in the Notifications feature, as demonstrated by Arabic characters in (1) an SMS message or (2) a WhatsApp message.

• CWE-17

• http://9to5mac.com/2015/05/27/how-to-fix-ios-text-message-bug-crash-reboot/
• http://lists.apple.com/archives/security-announce/2015/Jun/msg00001.htmlVendor Advisory
• http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.htmlPatch, Vendor Advisory
• http://lists.apple.com/archives/security-announce/2015/Sep/msg00003.htmlPatch, Vendor Advisory
• http://support.apple.com/kb/HT204941Vendor Advisory
• http://support.apple.com/kb/HT204942Vendor Advisory
• http://www.ibtimes.co.uk/apple-ios-bug-sees-message-app-crash-iphone-reboot-simply-by-receiving-message-1503083
• http://www.reddit.com/r/apple/comments/37e8c1/malicious_text_message/Exploit
• http://www.reddit.com/r/apple/comments/37enow/about_the_latest_iphone_security_vulnerability/
• http://www.reddit.com/r/explainlikeimfive/comments/37edde/eli5_how_that_text_you_can_send_to_friends_turns/Exploit
• http://www.securityfocus.com/bid/75491
• http://www.securitytracker.com/id/1032408
• http://zanzebek.com/a-simple-text-message-can-ruin-any-iphone/Exploit
• https://ghostbin.com/paste/zws9m
• https://support.apple.com/HT205221Vendor Advisory
• http://9to5mac.com/2015/05/27/how-to-fix-ios-text-message-bug-crash-reboot/
• http://lists.apple.com/archives/security-announce/2015/Jun/msg00001.htmlVendor Advisory
• http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.htmlPatch, Vendor Advisory
• http://lists.apple.com/archives/security-announce/2015/Sep/msg00003.htmlPatch, Vendor Advisory
• http://support.apple.com/kb/HT204941Vendor Advisory
• http://support.apple.com/kb/HT204942Vendor Advisory
• http://www.ibtimes.co.uk/apple-ios-bug-sees-message-app-crash-iphone-reboot-simply-by-receiving-message-1503083
• http://www.reddit.com/r/apple/comments/37e8c1/malicious_text_message/Exploit
• http://www.reddit.com/r/apple/comments/37enow/about_the_latest_iphone_security_vulnerability/
• http://www.reddit.com/r/explainlikeimfive/comments/37edde/eli5_how_that_text_you_can_send_to_friends_turns/Exploit
• http://www.securityfocus.com/bid/75491
• http://www.securitytracker.com/id/1032408
• http://zanzebek.com/a-simple-text-message-can-ruin-any-iphone/Exploit
• https://ghostbin.com/paste/zws9m
• https://support.apple.com/HT205221Vendor Advisory

Published

May 28, 2015

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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