Use after free in Adobe Flash Player 28.0.0.161 and earlier versions
Priority MEDIUM 48CWE-416Published · 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-416 and the CVSS impact.
Summary
Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable use after free vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.
Why it matters now
EPSS 0.07361 94th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Adobe Flash Player 28.0.0.161 and earlier versions | Adobe Flash Player 28.0.0.161 and earlier versions | — | No fix listed | CNA |
- Adobe Flash Player 28.0.0.161 and earlier versions Vendor— Affected Adobe Flash Player 28.0.0.161 and earlier versions Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:* | up to 28.0.0.161 | Vulnerable | Adobe |
| cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Apple |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:* | up to 28.0.0.161 | Vulnerable | Adobe |
| cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:* | not specified by NVD | Running on | |
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:* | up to 28.0.0.161 | Vulnerable | Adobe |
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:* | up to 28.0.0.161 | Vulnerable | Adobe |
| cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:* Versions up to 28.0.0.161 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 28.0.0.161 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 28.0.0.161 Vulnerable ·Adobe
- cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:* Versions up to 28.0.0.161 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-2018:0520 Released 2018-03-14 · Red Hat rating Criticalflash-plugin security update
- Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin-29.0.0.113-1.el6_9
- Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin-29.0.0.113-1.el6_9
- Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin-29.0.0.113-1.el6_9
Microsoft 1 update
- March 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 28.0.0.161 and earlier versions — RHSA-2018:0520
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2018-03489 Type confusion in Adobe Flash Player 28.0.0.161 and earlier versionsPriority MEDIUM 48
Vendor assessments
Red Hat
Red Hat rating: Critical. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Desktop Supplementary (v. 6) | Fixed | RHSA-2018:0520 |
| Red Hat Enterprise Linux Server Supplementary (v. 6) | Fixed | RHSA-2018:0520 |
| Red Hat Enterprise Linux Workstation Supplementary (v. 6) | Fixed | RHSA-2018:0520 |
Timeline
- 2026-10-02 Threatist record created from CVE-2018-4919
- 2026-10-03 Alias added: GHSA-4xhc-7xr7-f3hm
References
More Adobe Flash Player vulnerabilities
- 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
Sources
- CVE-2018-4919 · CVE Program
- CVE-2018-4919 · NVD
- FIRST EPSS
- GHSA-4xhc-7xr7-f3hm · GitHub Advisory Database · CC BY 4.0
- CVE-2018-4919 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences