Adobe Flash Player versions 23.0.0.205 and earlier, 11.2.202.643 and earlier have an exploitable use-after-free vulnerability.
Adobe Flash Player versions 23.0.0.205 and earlier, 11.2.202.643 and earlier have an exploitable use-after-free vulnerability. Successful exploitation could lead to arbitrary code execution.
- Published
- Nov 8, 2016
- Updated
- Jun 16, 2026
- EPSS
- 7.0% · 94th percentile
- CWE
- CWE-416
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Report tools
Action score
37
Monitor
Low priority for now.
- CVSS
- 35 / 40 · 8.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 2 / 30 · 7.0%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| adobe | flash player for linux | cpe:2.3:a:adobe:flash_player_for_linux |
| adobe | flash player | cpe:2.3:a:adobe:flash_player |
| linux | linux kernel | cpe:2.3:o:linux:linux_kernel |
| apple | mac os x | cpe:2.3:o:apple:mac_os_x |
| chrome os | cpe:2.3:o:google:chrome_os | |
| microsoft | windows | cpe:2.3:o:microsoft:windows |
| microsoft | windows 10 | cpe:2.3:o:microsoft:windows_10 |
| microsoft | windows 8.1 | cpe:2.3:o:microsoft:windows_8.1 |
| microsoft | windows rt 8.1 | cpe:2.3:o:microsoft:windows_rt_8.1 |
| microsoft | windows server 2012 | cpe:2.3:o:microsoft:windows_server_2012 |
| microsoft | windows server 2016 | cpe:2.3:o:microsoft:windows_server_2016 |
| redhat | enterprise linux desktop | cpe:2.3:o:redhat:enterprise_linux_desktop |
and 2 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- adobe flash playerup to 23.0.0.205 inclusive
- adobe flash player for linuxup to 11.2.202.643 inclusive
- redhat enterprise linux desktop5.0
- redhat enterprise linux desktop6.0
- redhat enterprise linux server5.0
- redhat enterprise linux server6.0
- redhat enterprise linux workstation5.0
- redhat enterprise linux workstation6.0
Versions reported by the vendor
Affected version ranges reported by the assigning authority (adobe). Independent of NVD's CPE analysis and usually ahead of it.
n/a Adobe Flash Player 23.0.0.205 and earlier, 11.2.202.643 and earlier
- Adobe Flash Player 23.0.0.205 and earlier, 11.2.202.643 and earlieraffected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Red Hat:rhel_extras:5::client | flash-plugin | before 0:11.2.202.644-1.el5_11 | 0:11.2.202.644-1.el5_11 |
| Red Hat:rhel_extras:6 | flash-plugin | before 0:11.2.202.644-1.el6_8 | 0:11.2.202.644-1.el6_8 |
| SUSE:Linux Enterprise Desktop 12 SP1 | flash-player | before 11.2.202.644-149.1 | 11.2.202.644-149.1 |
Same product
adobe: all recordsOther highest-scoring records for the same primary product.
- CVE-2008-5499Unspecified vulnerability in Adobe Flash Player for Linux 10.0.12.36, and 9.0.151.0 and earlier, allows remote attackers to execute arbitrar61This week
- CVE-2016-7858Adobe Flash Player versions 23.0.0.205 and earlier, 11.2.202.643 and earlier have an exploitable use-after-free vulnerability.37Monitor
- CVE-2016-7857Adobe Flash Player versions 23.0.0.205 and earlier, 11.2.202.643 and earlier have an exploitable use-after-free vulnerability.37Monitor
- CVE-2009-0521Untrusted search path vulnerability in Adobe Flash Player 9.x before 9.0.159.0 and 10.x before 10.0.22.87 on Linux allows local users to obt18Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| red hat:flash-plugin | 0:11.2.202.644-1.el5_11 · Red Hat:rhel_extras:5::client | Package registry (OSV) |
| suse:flash-player | 11.2.202.644-149.1 · SUSE:Linux Enterprise Desktop 12 SP1 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-416 · Use After FreeCVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd-primary
Root cause
After a memory region is freed, another reference pointing to it is still used. By then, the same region may have been allocated for different data.
The bug in code
The whole CWE-416 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
free(dev->buf);/* ... another thread is still running ... */process(dev->buf);Fixed
lock(&dev->lock);free(dev->buf);dev->buf = NULL;unlock(&dev->lock);Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- rhn.redhat.com/errata/RHSA-2016-2676.html
- www.securityfocus.com/bid/94153
- www.securitytracker.com/id/1037240
- www.zerodayinitiative.com/advisories/ZDI-16-602
- docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-141
- helpx.adobe.com/security/products/flash-player/apsb16-37.html
- security.gentoo.org/glsa/201611-18
Vendor advisories and official records. Exploit/PoC links are deliberately left out.