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TI-2018-03505 Aliases CVE-2018-4937GHSA-vr3r-r5qq-wvx5

Out-of-bounds write in Adobe Flash Player 29.0.0.113 and earlier versions

Priority MEDIUM 59CWE-787Published · Updated

Key facts

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

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

Summary

Adobe Flash Player versions 29.0.0.113 and earlier have an exploitable out-of-bounds write vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.

Why it matters now

EPSS 0.25533 97th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
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 29.0.0.113 and earlier versionsAdobe Flash Player 29.0.0.113 and earlier versions—No fix listedCNA
  • Adobe Flash Player 29.0.0.113 and earlier versions Vendor— Affected Adobe Flash Player 29.0.0.113 and earlier versions Fixed in — No fix listed CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:*up to 29.0.0.113VulnerableAdobe
cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
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:*:*:*:*:*:chrome:*:*up to 29.0.0.113VulnerableAdobe
cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:*not specified by NVDRunning onGoogle
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:*up to 29.0.0.113VulnerableAdobe
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:*up to 29.0.0.113VulnerableAdobe
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_desktop_runtime:*:*:*:*:*:*:*:* Versions up to 29.0.0.113 Vulnerable ·Adobe
  • cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
  • 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:*:*:*:*:*:chrome:*:* Versions up to 29.0.0.113 Vulnerable ·Adobe
  • cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Google
  • cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:* Versions up to 29.0.0.113 Vulnerable ·Adobe
  • cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:* Versions up to 29.0.0.113 Vulnerable ·Adobe
  • 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

Remediation

Red Hat 1 advisory

  • RHSA-2018:1119 Released 2018-04-11 · Red Hat rating Critical
    flash-plugin security update
    • Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin-29.0.0.140-1.el6_9
    • Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin-29.0.0.140-1.el6_9
    • Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin-29.0.0.140-1.el6_9

Microsoft 1 update

  • ADV180007
    April 2018 Adobe Flash Security Update

Fixed in the same release

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

  • Advisory ·

    Adobe Flash Player 29.0.0.113 and earlier versions — RHSA-2018:1119

    6 records Highest priority Priority MEDIUM 5 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2018-03503 Out-of-bounds write in Adobe Flash Player 29.0.0.113 and earlier versionsPriority MEDIUM 59
    • TI-2018-03504 Memory corruption in Adobe Flash Player 29.0.0.113 and earlier versionsPriority MEDIUM 50
    • TI-2018-03502 Out-of-bounds read in Adobe Flash Player 29.0.0.113 and earlier versionsPriority MEDIUM 47
    Show all 6 records → Advisory →
  • Advisory ·

    Adobe Flash Player 29.0.0.113 and earlier versions — GLSA-201804-11

    6 records Highest priority Priority MEDIUM 5 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2018-03503 Out-of-bounds write in Adobe Flash Player 29.0.0.113 and earlier versionsPriority MEDIUM 59
    • TI-2018-03504 Memory corruption in Adobe Flash Player 29.0.0.113 and earlier versionsPriority MEDIUM 50
    • TI-2018-03502 Out-of-bounds read in Adobe Flash Player 29.0.0.113 and earlier versionsPriority MEDIUM 47
    Show all 6 records → Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Desktop Supplementary (v. 6)Fixed RHSA-2018:1119
Red Hat Enterprise Linux Server Supplementary (v. 6)Fixed RHSA-2018:1119
Red Hat Enterprise Linux Workstation Supplementary (v. 6)Fixed RHSA-2018:1119

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-4937
  2. 2026-10-03 Alias added: GHSA-vr3r-r5qq-wvx5

References

Exploit 1

Patch 1

Advisory 2

  • TI-2016-03560 Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote… KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-03506 Adobe Flash Player 21.0.0.226 and earlier allows remote attackers to execute arbitrary… KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-00925 Adobe Flash Player 21.0.0.197 and earlier allows remote attackers to cause a denial of… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-04302 Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3)… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-04301 Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3)… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-04298 Use-after-free vulnerability in the ByteArray class in the ActionScript 3 (AS3)… KEVCVSS 3.1CRITICAL 9.8
See all 1083 →

Sources

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