CVE-2017-3077Flash 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-2017-3077
Key Facts
Patch immediately- CVE-2017-3077 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 22% 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)
22%
Higher than 97.6% 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 PNG image parser. 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-2017-3077
- 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 PNG image parser.
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-2017-3077 On Your Attack Surface?
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