Use-after-free vulnerability in Adobe Flash Player before 23.0.0.205 on Windows and OS X…
Priority CRITICAL 97Exploited in the wildCWE-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 · CISA ADP. Fix status from CNA, Red Hat and Microsoft. Impact type from CWE-416 and the CVSS impact.
Summary
Use-after-free vulnerability in Adobe Flash Player before 23.0.0.205 on Windows and OS X and before 11.2.202.643 on Linux allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in October 2016.
Why it matters now
Exploitation Active In CISA KEV since 2022-03-03CISA due date 2022-03-24
EPSS 0.25198 97th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisoryMicrosoft: 1 update
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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 · 22
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:* | up to 23.0.0.185 | Vulnerable | Adobe |
| cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Apple |
| 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:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:* | up to 23.0.0.185 | Vulnerable | Adobe |
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:* | up to 23.0.0.185 | Vulnerable | Adobe |
| cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:* | 1511 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* | 1607 | Running on | Microsoft |
- cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:* Versions up to 23.0.0.185 Vulnerable ·Adobe
- cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:* 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 23.0.0.185 Vulnerable ·Adobe
- cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:* Versions up to 23.0.0.185 Vulnerable ·Adobe
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:* Versions 1511 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* Versions 1607 Running on ·Microsoft
Show 12 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* | r2 | Running on | Microsoft |
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:linux:*:* | up to 11.2.202.637 | Vulnerable | Adobe |
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:* | up to 23.0.0.185 | Vulnerable | Adobe |
| cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* Versions r2 Running on ·Microsoft
- cpe:2.3:a:adobe:flash_player:*:*:*:*:*:linux:*:* Versions up to 11.2.202.637 Vulnerable ·Adobe
- cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:* Versions up to 23.0.0.185 Vulnerable ·Adobe
- cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* Versions 5.0 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:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
Remediation
Red Hat 1 advisory
- RHSA-2016:2119 Released 2016-10-27 · Red Hat rating Criticalflash-plugin security update
- Red Hat Enterprise Linux Desktop Supplementary (v. 5) flash-plugin-11.2.202.643-1.el5_11.i386
- Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin-11.2.202.643-1.el6_8
- Red Hat Enterprise Linux Server Supplementary (v. 5) flash-plugin-11.2.202.643-1.el5_11.i386
- Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin-11.2.202.643-1.el6_8
- Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin-11.2.202.643-1.el6_8
Microsoft 1 update
- October 27, 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-2016:2119 |
| Red Hat Enterprise Linux Desktop Supplementary (v. 6) | Fixed | RHSA-2016:2119 |
| Red Hat Enterprise Linux Server Supplementary (v. 5) | Fixed | RHSA-2016:2119 |
| Red Hat Enterprise Linux Server Supplementary (v. 6) | Fixed | RHSA-2016:2119 |
| Red Hat Enterprise Linux Workstation Supplementary (v. 6) | Fixed | RHSA-2016:2119 |
Timeline
- 2022-03-03 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2016-7855
- 2026-10-03 Alias added: GHSA-fq8g-m89m-mrw9
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-2016-7855 · CVE Program
- CVE-2016-7855 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-fq8g-m89m-mrw9 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-7855 · 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