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TI-2020-03398 Aliases CVE-2020-3898GHSA-82r2-pfjv-q743

Improper input validation in Apple macOS

Priority LOW 34CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 2 fixed, 3 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Catalina 10.15.4. An application may be able to gain elevated privileges.

Why it matters now

EPSS 0.00391 33rd percentileScored 2026-11-07
Fix Partial macOS (Apple): macOS Catalina 10.15.4Red Hat: 1 advisoryRed Hat: 2 fixed, 3 without a fix

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
ApplemacOSbefore macOS Catalina 10.15.4macOS Catalina 10.15.4Patch availableCNA
  • macOS VendorApple Affected before macOS Catalina 10.15.4 Fixed in macOS Catalina 10.15.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*before 10.15.4VulnerableApple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15.4 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in macOS Catalina 10.15.4

Red Hat 1 advisory

  • RHSA-2020:4469 Released 2020-11-04 · Red Hat rating Low
    cups security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 8) cups-1:2.2.6-38.el8, cups-client-1:2.2.6-38.el8, cups-devel-1:2.2.6-38.el8 +3
    • Red Hat Enterprise Linux BaseOS (v. 8) cups-1:2.2.6-38.el8, cups-libs-1:2.2.6-38.el8

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apple macOS macOS Catalina 10.15.4

    9 records Highest priority Priority LOW 9 LOW

    Other records, highest priority first

    • TI-2020-07929 Improper input validation in Apple macOSPriority LOW 35
    • TI-2020-07906 Out-of-bounds read in Apple macOSPriority LOW 35
    • TI-2020-03415 Apple macOS: A malicious application may be able to overwrite arbitrary filesPriority LOW 34

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix yet
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2020:4469
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2020:4469

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-3898
  2. 2026-10-03 Alias added: GHSA-82r2-pfjv-q743

References

  • TI-2021-01573 Apple iOS and iPadOS: A remote attacker may be able to cause arbitrary code execution KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-01572 Apple iOS and iPadOS: A remote attacker may be able to cause arbitrary code execution KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
  • TI-2012-01607 sapi/cgi/cgi_main.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a CGI… KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-02117 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 3209 →

Sources