CVE-2015-1157
CoreText in Apple iOS 8.x through 8.3 allows remote attackers to cause a denial of service ...
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.
Exploit likelihood
What each source reports
NVD Score used
7.8
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.
- Record
CVE-2015-1157- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-17
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2015-1157- Updated
- 2026-11-02
EUVDEUVD-2015-1300 No score
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.
- Record
EUVD-2015-1300- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r4wc-44ww-v8f2 No score
CoreText in Apple iOS 8.x through 8.3 allows remote attackers to cause a denial of service ...
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.
- Record
GHSA-r4wc-44ww-v8f2- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | perillamint/CVE-2015-1157 | 2015-10-14 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-1157 is a high vulnerability (CVSS 7.8) in Apple Iphone Os, published May 28, 2015. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 5.62%, the 92nd percentile. No source names a fixed version.
References
support.apple.com/HT205221
securityfocus.com/bid/75491
support.apple.com/kb/HT204941
reddit.com/r/apple/comments/37e8c1/malicious_text_message
ghostbin.com/paste/zws9m
reddit.com/r/apple/comments/37enow/about_the_latest_iphone_security_vulnerability
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securitytracker.com/id/1032408
lists.apple.com/archives/security-announce/2015/Jun/msg00002.html
9to5mac.com/2015/05/27/how-to-fix-ios-text-message-bug-crash-reboot
reddit.com/r/explainlikeimfive/comments/37edde/eli5_how_that_text_you_can_send_to_friends_turns
lists.apple.com/archives/security-announce/2015/Sep/msg00003.html
support.apple.com/kb/HT204942
lists.apple.com/archives/security-announce/2015/Jun/msg00001.html
zanzebek.com/a-simple-text-message-can-ruin-any-iphone
ibtimes.co.uk/apple-ios-bug-sees-message-app-crash-iphone-reboot-simply-by-receiving-message-1503083
nvd.nist.gov/vuln/detail/CVE-2015-1157
github.com/advisories/GHSA-r4wc-44ww-v8f2