Skip to content
Fencer Intel
medium 5.0

CVE-2011-2486 json

nspluginwrapper before 1.4.4 does not properly provide access to NPNVprivateModeBool variable settings, which could prevent Firefox plugins…

published 2012-11-19 13 y ago modified 2026-06-16 4 mo ago also EUVD-2011-2474

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

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.

Patch / fix

  • nspluginwrapper RHEL 6 1.4.4-1.el6_3

red hat advisories RHSA-2012:1459

  • nspluginwrapper openSUSE Tumbleweed 1.4.4-16.6

opensuse advisories openSUSE-SU-2024:10270-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-2486 updated cvss 2.6

nspluginwrapper: NPNVprivateModeBool variable not forwarded

  • Red Hat Enterprise Linux 5 nspluginwrapper
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Desktop (v. 6) nspluginwrapper 1.4.4-1.el6_3 Red Hat Enterprise Linux HPC Node Optional (v. 6) nspluginwrapper 1.4.4-1.el6_3 Red Hat Enterprise Linux Server (v. 6) nspluginwrapper 1.4.4-1.el6_3 Red Hat Enterprise Linux Workstation (v. 6) nspluginwrapper 1.4.4-1.el6_3
    fixed: vendor fix RHSA-2012:1459

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.47% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.