CVE-2019-8739
CVE-2019-8739 is a high-severity vulnerability in Apple Xcode with a CVSS 3.x base score of 7.8. 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-787.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Apple Xcode
- Published:
- Last modified:
Description
A memory corruption issue was addressed with improved state management. This issue is fixed in Xcode 11.0. Processing a maliciously crafted file may lead to arbitrary code execution.
Frequently asked questions
- What is CVE-2019-8739?
- A memory corruption issue was addressed with improved state management. This issue is fixed in Xcode 11.0. Processing a maliciously crafted file may lead to arbitrary code execution.
- How severe is CVE-2019-8739?
- CVE-2019-8739 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-8739 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-8739?
- CVE-2019-8739 affects Apple Xcode. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-8739?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2019-8739 published?
- CVE-2019-8739 was published on 2019-12-18 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*
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