CVE-2018-4367
CVE-2018-4367 is a critical-severity vulnerability in Apple Iphone Os with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 6% (93rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Apple Iphone Os
- Published:
- Last modified:
Description
A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.
Frequently asked questions
- What is CVE-2018-4367?
- A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.
- How severe is CVE-2018-4367?
- CVE-2018-4367 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-4367 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-4367?
- CVE-2018-4367 affects Apple Iphone Os. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-4367?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-4367 published?
- CVE-2018-4367 was published on 2019-04-03 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
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