Description
Adobe Flash Player versions 25.0.0.127 and earlier have an exploitable use after free vulnerability in the ActionScript2 NetStream class. Successful exploitation could lead to arbitrary code execution.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Adobe Flash Player 25.0.0.127 and earlier. | Adobe Flash Player 25.0.0.127 and earlier. | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | flashplugin-nonfree | 25.0.0.171ubuntu0.16.04.1 | — |
| Ubuntu 14.04 LTS | flashplugin-nonfree | 25.0.0.171ubuntu0.14.04.1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | flash-plugin | 25.0.0.148-1.el6_9 | RHSA-2017:0934 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | flash-player | 25.0.0.148-165.1 | SUSE-SU-2017:0990-1 |
Advisories 2
- RHSA-2017:0934 Red Hat Security Advisory: flash-plugin security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- SUSE-SU-2017:0990-1 Security update for flash-player SUSE / openSUSE Security Updates · Feb 4, 2026
References
- GLSA-201704-04 vendor-advisory
- 1038225 vdb-entry
- https://helpx.adobe.com/security/products/flash-player/apsb17-10.html
- RHSA-2017:0934 vendor-advisory
- 97551 vdb-entry