Adobe Flash Player before 18.0.0.366 and 19.x through 22.x before 22.0.0.209 on Windows…
Priority MEDIUM 55CWE-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 before 18.0.0.366 and 19.x through 22.x before 22.0.0.209 on Windows and OS X and before 11.2.202.632 on Linux allows attackers to execute arbitrary code or cause a denial of service (stack memory corruption) via unspecified vectors, a different vulnerability than CVE-2016-4176.
Why it matters now
EPSS 0.17585 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:* | up to 22.0.0.192 | Vulnerable | Adobe |
| cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Apple |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:adobe:flash_player:*:*:*:*:esr:*:*:* | up to 18.0.0.360 | Vulnerable | Adobe |
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:* | up to 22.0.0.192 | Vulnerable | Adobe |
| cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:* | not specified by NVD | Running on | |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:* | up to 22.0.0.192 | Vulnerable | Adobe |
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:* | up to 22.0.0.192 | Vulnerable | Adobe |
| cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:* Versions up to 22.0.0.192 Vulnerable ·Adobe
- cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:adobe:flash_player:*:*:*:*:esr:*:*:* Versions up to 18.0.0.360 Vulnerable ·Adobe
- cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:* Versions up to 22.0.0.192 Vulnerable ·Adobe
- 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:a:adobe:flash_player:*:*:*:*:*:edge:*:* Versions up to 22.0.0.192 Vulnerable ·Adobe
- cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:* Versions up to 22.0.0.192 Vulnerable ·Adobe
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
Red Hat 1 advisory
- RHSA-2016:1423 Released 2016-07-13 · Red Hat rating Criticalflash-plugin security update
- Red Hat Enterprise Linux Desktop Supplementary (v. 5) flash-plugin-11.2.202.632-1.el5_11.i386
- Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin-11.2.202.632-1.el6_8
- Red Hat Enterprise Linux Server Supplementary (v. 5) flash-plugin-11.2.202.632-1.el5_11.i386
- Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin-11.2.202.632-1.el6_8
- Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin-11.2.202.632-1.el6_8
Microsoft 1 update
- July 2016 Adobe Flash Security Update
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. 5) | Fixed | RHSA-2016:1423 |
| Red Hat Enterprise Linux Desktop Supplementary (v. 6) | Fixed | RHSA-2016:1423 |
| Red Hat Enterprise Linux Server Supplementary (v. 5) | Fixed | RHSA-2016:1423 |
| Red Hat Enterprise Linux Server Supplementary (v. 6) | Fixed | RHSA-2016:1423 |
| Red Hat Enterprise Linux Workstation Supplementary (v. 6) | Fixed | RHSA-2016:1423 |
Timeline
- 2026-10-02 Threatist record created from CVE-2016-4177
- 2026-10-03 Alias added: GHSA-cxh4-rfq4-vxw5
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-2016-4177 · CVE Program
- CVE-2016-4177 · NVD
- FIRST EPSS
- GHSA-cxh4-rfq4-vxw5 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-4177 · 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