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Vulnerabilities

Security fix · CVE-2019-8779

A logic issue applied the incorrect restrictions.

Published Dec 18, 2019 · catalog updated Jun 17, 2026 · Apple

Check if you run it

No confirmed exploitation is on record for CVE-2019-8779. EPSS is 1.47%. Act only if a listed version of Apple is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical10.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.47%
Remediation
Version ranges on file
Affected products
cpe apple/ipados · cpe apple/iphone os

A logic issue applied the incorrect restrictions. This issue was addressed by updating the logic to apply the correct restrictions. This issue is fixed in iOS 13.1.1 and iPadOS 13.1.1. Third party app extensions may not receive the correct sandbox restrictions.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apple/ipados< 13.1.1
  • cpe apple/iphone os< 13.1.1

How to fix CVE-2019-8779

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2019-8779. EPSS is 1.47%. Act only if a listed version of Apple is installed.

Which versions are affected?

Compare what you have installed with apple/iphone os < 13.1.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-668: Exposure of Resource to Wrong Sphere. EPSS 1.47%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 18, 2019 · Apple Security Releases

    Detected

    A logic issue applied the incorrect restrictions. This issue was addressed by updating the logic to apply the correct restrictions. This issue is fixed in iOS 13.1.1 and iPadOS 13.1.1. Third party app extensions may not receive the correct sandbox restrictions.

  2. Jun 17, 2026 · Apple Security Releases

    Updated

    A logic issue applied the incorrect restrictions. This issue was addressed by updating the logic to apply the correct restrictions. This issue is fixed in iOS 13.1.1 and iPadOS 13.1.1. Third party app extensions may not receive the correct sandbox restrictions.

Sources

  • Apple Security ReleasesVendor advisoryCVE-2019-8779

    A logic issue applied the incorrect restrictions. This issue was addressed by updating the logic to apply the correct restrictions. This issue is fixed in iOS 13.1.1 and iPadOS 13.1.1. Third party app extensions may not receive the correct sandbox restrictions.

    nvd.nist.gov
  • CVE.orgVulnerability recordCVE-2019-8779

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2019-8779

    30-day exploitation probability 1.47%

    first.org

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.