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TI-2018-03441 Aliases CVE-2018-4871GHSA-jhfm-prjw-6726

Out-of-bounds read in Adobe Flash Player before 28.0.0.137

Priority MEDIUM 41CWE-125Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA, Red Hat and Microsoft. Impact type from CWE-125 and the CVSS impact.

Summary

An Out-of-bounds Read issue was discovered in Adobe Flash Player before 28.0.0.137. This vulnerability occurs because of computation that reads data that is past the end of the target buffer. The use of an invalid (out-of-range) pointer offset during access of internal data structure fields causes the vulnerability. A successful attack can lead to sensitive data exposure.

Why it matters now

EPSS 0.05509 92nd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisoryMicrosoft: 1 update

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—Adobe Flash Player before 28.0.0.137Adobe Flash Player before 28.0.0.137—No fix listedCNA
  • Adobe Flash Player before 28.0.0.137 Vendor— Affected Adobe Flash Player before 28.0.0.137 Fixed in — No fix listed CNA

CPE configurations NVD · 13

CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*up to 28.0.0.126VulnerableAdobe
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:*not specified by NVDRunning onGoogle
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*not specified by NVDRunning onLinux
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:*up to 28.0.0.126VulnerableAdobe
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer_11:*:*up to 28.0.0.126VulnerableAdobe
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:* Versions up to 28.0.0.126 Vulnerable ·Adobe
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
  • cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Google
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:* Versions up to 28.0.0.126 Vulnerable ·Adobe
  • cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer_11:*:* Versions up to 28.0.0.126 Vulnerable ·Adobe
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*up to 28.0.0.126VulnerableAdobe
  • cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:* Versions up to 28.0.0.126 Vulnerable ·Adobe

Remediation

Red Hat 1 advisory

  • RHSA-2018:0081 Released 2018-01-10 · Red Hat rating Important
    flash-plugin security update
    • Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin-28.0.0.137-1.el6_9
    • Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin-28.0.0.137-1.el6_9
    • Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin-28.0.0.137-1.el6_9

Microsoft 1 update

  • January 2018 Adobe Flash Security Update

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Desktop Supplementary (v. 6)Fixed RHSA-2018:0081
Red Hat Enterprise Linux Server Supplementary (v. 6)Fixed RHSA-2018:0081
Red Hat Enterprise Linux Workstation Supplementary (v. 6)Fixed RHSA-2018:0081

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-4871
  2. 2026-10-03 Alias added: GHSA-jhfm-prjw-6726

References

Sources