Buffer overflow in Adobe Flash Player before 10.3.183.11 and 11.x before 11.1.102.55 on…
Priority MEDIUM 54CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
Buffer overflow in Adobe Flash Player before 10.3.183.11 and 11.x before 11.1.102.55 on Windows, Mac OS X, Linux, and Solaris and before 11.1.102.59 on Android, and Adobe AIR before 3.1.0.4880, allows attackers to execute arbitrary code via unspecified vectors.
Why it matters now
EPSS 0.0896 95th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
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 · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:* | 10.0 to before 10.3.183.11; 11.0 to before 11.1.102.55 | 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:o:sun:solaris:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Sun |
| cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:* | 11.0 to before 11.1.102.59 | Vulnerable | Adobe |
| cpe:2.3:o:google:android:-:*:*:*:*:*:*:* | not specified by NVD | Running on | |
| cpe:2.3:a:adobe:adobe_air:*:*:*:*:*:*:*:* | 3.0 to before 3.1.0.4880 | Vulnerable | Adobe |
- cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:* Versions 10.0 to before 10.3.183.11; 11.0 to before 11.1.102.55 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:o:sun:solaris:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Sun
- cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:* Versions 11.0 to before 11.1.102.59 Vulnerable ·Adobe
- cpe:2.3:o:google:android:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Google
- cpe:2.3:a:adobe:adobe_air:*:*:*:*:*:*:*:* Versions 3.0 to before 3.1.0.4880 Vulnerable ·Adobe
Remediation
Red Hat 1 advisory
- RHSA-2011:1445 Released 2011-11-11 · Red Hat rating Criticalflash-plugin security update
- Red Hat Enterprise Linux Desktop Supplementary (v. 5) flash-plugin-10.3.183.11-1.el5.i386
- Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin-10.3.183.11-1.el6
- Red Hat Enterprise Linux Server Supplementary (v. 5) flash-plugin-10.3.183.11-1.el5.i386
- Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin-10.3.183.11-1.el6
- Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin-10.3.183.11-1.el6
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-2011:1445 |
| Red Hat Enterprise Linux Desktop Supplementary (v. 6) | Fixed | RHSA-2011:1445 |
| Red Hat Enterprise Linux Server Supplementary (v. 5) | Fixed | RHSA-2011:1445 |
| Red Hat Enterprise Linux Server Supplementary (v. 6) | Fixed | RHSA-2011:1445 |
| Red Hat Enterprise Linux Workstation Supplementary (v. 6) | Fixed | RHSA-2011:1445 |
Timeline
- 2026-10-02 Threatist record created from CVE-2011-2456
- 2026-10-03 Alias added: GHSA-v4r8-cqvm-3hjq
References
More Adobe Air vulnerabilities
- TI-2014-00481 Double free vulnerability in Adobe Flash Player before 11.7.700.269 and 11.8.x through… KEVCVSS 3.1HIGH 8.8
- TI-2011-00534 Adobe Flash Player before 10.2.154.27 on Windows, Mac OS X, Linux, and Solaris and… KEVCVSS 3.1HIGH 8.8
- TI-2014-00534 Heap-based buffer overflow in Adobe Flash Player before 13.0.0.244 and 14.x and 15.x… CVSS 2.0HIGH 10.0
- TI-2011-01863 Adobe Flash Player before 10.3.183.5 on Windows, Mac OS X, Linux, and Solaris and before… CVSS 2.0HIGH 10.0
- TI-2014-00537 Heap-based buffer overflow in Adobe Flash Player before 13.0.0.244 and 14.x and 15.x… CVSS 2.0HIGH 10.0
- TI-2011-02110 Buffer overflow in Adobe Flash Player before 10.3.183.5 on Windows, Mac OS X, Linux, and… CVSS 2.0HIGH 10.0
Sources
- CVE-2011-2456 · CVE Program
- CVE-2011-2456 · NVD
- FIRST EPSS
- GHSA-v4r8-cqvm-3hjq · GitHub Advisory Database · CC BY 4.0
- CVE-2011-2456 · Red Hat security data · CC BY 4.0
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