High 7.8Published May 27, 2015

CVE-2015-1157CoreText 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 trunc…

Updated under an hour ago (Nov 2, 2026, 1:40 AM ET)

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It affects apple iphone_os and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Start free and add your stackFree account, 3 products Every CVE for apple iphone_os Exploited in the last 30 days

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.

CVSS: 7.8 HIGH (v2.0, NVD)AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-17
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

apple iphone_os apple:iphone_os	8.0; 8.0.1; 8.0.2; 8.1; 8.1.2; 8.1.3; 8.2; 8.3	NVD
apple mac_os_x apple:mac_os_x	through 10.0.3	NVD
apple itunes apple:itunes	through 12.2	NVD

References

References

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.html	vendor-advisory
http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html	patch, vendor-advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00003.html	patch, vendor-advisory
http://support.apple.com/kb/HT204941	vendor-advisory
http://support.apple.com/kb/HT204942	vendor-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
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.