Description
nspluginwrapper before 1.4.4 does not properly provide access to NPNVprivateModeBool variable settings, which could prevent Firefox plugins from determining if they should run in Private Browsing mode and allow remote attackers to bypass intended access restrictions, as demonstrated using Flash.
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.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | nspluginwrapper | 1.4.4-1.el6_3 | RHSA-2012:1459 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | nspluginwrapper | 1.4.4-16.6 | openSUSE-SU-2024:10270-1 |
Advisories 2
- RHSA-2012:1459 Red Hat Security Advisory: nspluginwrapper security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- openSUSE-SU-2024:10270-1 nspluginwrapper-1.4.4-16.6 on GA media SUSE / openSUSE Security Updates · May 7, 2025