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TI-2019-06400 Aliases CVE-2019-8840GHSA-2924-9cv7-3gpq

Out-of-bounds read in Apple Xcode

Priority MEDIUM 41CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in Xcode 11.3. Compiling with untrusted sources may lead to arbitrary code execution with user privileges.

Why it matters now

EPSS 0.01329 71st percentileScored 2026-11-07
Fix Fixed Xcode (Apple): 11.3

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleXcodebefore 11.311.3Patch availableCNA
  • Xcode VendorApple Affected before 11.3 Fixed in 11.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*before 11.3VulnerableApple
  • cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:* Versions before 11.3 Vulnerable ·Apple

Remediation

  • Fix · CNA Xcode (Apple) Fixed in 11.3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8840
  2. 2026-10-03 Alias added: GHSA-2924-9cv7-3gpq

References

Advisory 1

  • TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-30709 Git allows arbitrary code execution through broken config quoting KEVCVSS 3.1HIGH 8.1
  • TI-2004-02557 distcc 2.x, as used in XCode 1.5 and others, when not configured to restrict access to… CVSS 2.0HIGH 9.3
  • TI-2014-07619 Git before 1.8.5.6, 1.9.x before 1.9.5, 2.0.x before 2.0.5, 2.1.x before 2.1.4, and 2.2.x… CVSS 3.1CRITICAL 9.8
  • TI-2021-04400 malicious repositories can execute remote code while cloning CVSS 3.1HIGH 8.0
  • TI-2016-00666 The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 allows remote attackers to… CVSS 3.1HIGH 7.5
See all 99 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences