CVE-2018-4148

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-04-03 · updated 2026-06-17
Weakness: CWE-119

Description

An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves the "Telephony" component. A buffer overflow allows remote attackers to execute arbitrary code.

Affected products

Apple Iphone Os: before 11.3 — fixed in 11.3

How to fix

Upgrade to a fixed version: Apple Iphone Os 11.3. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/103578
https://comsecuris.com/blog/posts/theres_life_in_the_old_dog_yet_tearing_new_holes_into_inteliphone_cellular_modems/
https://support.apple.com/HT208693
http://www.securityfocus.com/bid/103578
https://comsecuris.com/blog/posts/theres_life_in_the_old_dog_yet_tearing_new_holes_into_inteliphone_cellular_modems/
https://support.apple.com/HT208693

Get alerted when CVE-2018-4148 or the next vulnerability affects your stack