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Unrated severityNVD Advisory· Published Dec 18, 2019· Updated Aug 4, 2024

CVE-2019-8637

CVE-2019-8637

Description

A malicious application can gain root privileges due to an input validation issue in Apple's operating systems, fixed in iOS 12.3, tvOS 12.3, and watchOS 5.2.1.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

A malicious application can gain root privileges due to an input validation issue in Apple's operating systems, fixed in iOS 12.3, tvOS 12.3, and watchOS 5.2.1.

Vulnerability

An input validation issue in Apple's software allows a malicious application to execute arbitrary code with system privileges. The vulnerability is present in iOS, tvOS, and watchOS. Affected versions are prior to iOS 12.3, tvOS 12.3, and watchOS 5.2.1 [1][2][3].

Exploitation

To exploit this vulnerability, an attacker must have a malicious application installed on the device. No additional user interaction is required beyond installing the application. The exact attack vector is not publicly detailed, but the input validation flaw can be triggered to gain elevated privileges.

Impact

A successful exploit allows the malicious application to execute arbitrary code with root (system) privileges, effectively gaining full control over the device.

Mitigation

Apple released fixes in iOS 12.3, tvOS 12.3, and watchOS 5.2.1 on May 13, 2019 [1][2][3]. Users should update to the latest available versions. No workarounds have been published.

References
  1. About the security content of iOS 12.3 - Apple Support
  2. About the security content of tvOS 12.3 - Apple Support
  3. About the security content of watchOS 5.2.1 - Apple Support

AI Insight generated on May 26, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.

Affected products

6
  • Apple Inc./tvOSllm-fuzzy2 versions
    <12.3+ 1 more
    • (no CPE)range: <12.3
    • (no CPE)range: unspecified
  • Apple Inc./watchOSllm-fuzzy2 versions
    <5.2.1+ 1 more
    • (no CPE)range: <5.2.1
    • (no CPE)range: unspecified
  • Apple Inc./iOSllm-fuzzy2 versions
    <12.3+ 1 more
    • (no CPE)range: <12.3
    • (no CPE)range: unspecified

Patches

0

No patches discovered yet.

Vulnerability mechanics

No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.

References

3

News mentions

0

No linked articles in our index yet.