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Fencer Intel
high 7.8

CVE-2015-1157 json

CoreText in Apple iOS 8.x through 8.3 allows remote attackers to cause a denial of service (reboot and messaging disruption) via crafted Un…

published 11y ago modified 4mo ago also EUVD-2015-1300

cvss
7.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.6%
EPSS 5.6% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

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.

Patch / fix

Is CVE-2015-1157 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

5.62% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • reddit.com http://www.reddit.com/r/apple/comments/37e8c1/malicious_text_message/ referenced PoC, tagged "exploit" by a source, unverified
  • reddit.com http://www.reddit.com/r/explainlikeimfive/comments/37edde/eli5_how_that_text_you_can_send_to_friends_turns/ referenced PoC, tagged "exploit" by a source, unverified
  • zanzebek.com http://zanzebek.com/a-simple-text-message-can-ruin-any-iphone/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.