CVE-2017-3076Flash Player Memory Corruption
flash-plugin: multiple code execution issues fixed in APSB17-17
Published Jun 13, 2017 · Updated Jul 16, 2025 · Also known as UBUNTU-CVE-2017-3076
Key Facts
Patch immediately- CVE-2017-3076 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Flash Player (Adobe), flashplugin-nonfree (ubuntu), flash-plugin (redhat) and 1 more product.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 25% probability of exploitation in the next 30 days.
- Fixed versions are available, including Flash Player 25.0.0.171, flash-plugin 0:26.0.0.126-1.el6_9, flashplugin-nonfree 26.0.0.126ubuntu0.14.04.1.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3.1
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
25%
Higher than 97.8% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
43/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
Adobe Flash Player versions 25.0.0.171 and earlier have an exploitable memory corruption vulnerability in the MPEG-4 AVC module. Successful exploitation could lead to arbitrary code execution.
Affected Products
8 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Flash PlayerAdobe | See advisory | 25.0.0.171 |
| flashplugin-nonfreeubuntu | See advisory | 26.0.0.126ubuntu0.14.04.1 |
| flash-pluginredhat | See advisory | 0:26.0.0.126-1.el6_9 |
| Adobe Flash Player 25.0.0.171 and earlier. | >= Adobe Flash Player 25.0.0.171 and earlier. | n/a |
Patched Releases
Flash Player
25.0.0.171
flash-plugin
0:26.0.0.126-1.el6_9
flashplugin-nonfree
26.0.0.126ubuntu0.14.04.1, 26.0.0.126ubuntu0.16.04.1
Timeline
Publicly disclosed
Jun 13, 2017
Last updated
Jul 16, 2025
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisoryubuntu.com · CVE-2017-3076
- advisorycve.org · CVERecord
- advisoryRHSA-2017:1439
- advisoryhelpx.adobe.com · apsb17-17.html
- advisory99025
FAQ
Common Questions.
Adobe Flash Player versions 25.0.0.171 and earlier have an exploitable memory corruption vulnerability in the MPEG-4 AVC module.
Affected: Flash Player (Adobe); flashplugin-nonfree (ubuntu); flash-plugin (redhat), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Flash Player 25.0.0.171, flash-plugin 0:26.0.0.126-1.el6_9, flashplugin-nonfree 26.0.0.126ubuntu0.14.04.1.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2017-3076 On Your Attack Surface?
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