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Fencer Vulns
critical 9.3

CVE-2009-3076 json

Mozilla Firefox before 3.0.14 does not properly implement certain dialogs associated with the (1) pkcs11.addmodule and (2) pkcs11.deletemod…

published 2009-09-10 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3060

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.7%
EPSS 6.7% chance of exploitation in 30 days, percentile 93%
public exploits
1
Exploit-DB

Summary

Mozilla Firefox before 3.0.14 does not properly implement certain dialogs associated with the (1) pkcs11.addmodule and (2) pkcs11.deletemodule operations, which makes it easier for remote attackers to trick a user into installing or removing an arbitrary PKCS11 module.

Patch / fix

  • thunderbird RHEL 4 1.5.0.12-25.el4
  • thunderbird RHEL 5 PRODUCTIVITY, RHEL 5 2.0.0.24-2.el5_4
  • seamonkey RHEL 3 1.0.9-0.45.el3
  • seamonkey-nss RHEL 3 1.0.9-0.45.el3
  • seamonkey-chat RHEL 3 1.0.9-0.45.el3
  • seamonkey-mail RHEL 3 1.0.9-0.45.el3
  • seamonkey-nspr RHEL 3 1.0.9-0.45.el3
  • seamonkey-js-debugger RHEL 3 1.0.9-0.45.el3

red hat advisories RHSA-2010:0154RHSA-2010:0153RHSA-2009:1432RHSA-2009:1431RHSA-2009:1430

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-2009-3076 updated cvss 4.3

Firefox 3.0.14 Insufficient warning for PKCS11 module installation and removal

  • Red Hat Desktop version 3 seamonkey 1.0.9-0.45.el3, seamonkey-nss 1.0.9-0.45.el3, seamonkey-chat 1.0.9-0.45.el3, seamonkey-mail 1.0.9-0.45.el3, seamonkey-nspr 1.0.9-0.45.el3, seamonkey-js-debugger 1.0.9-0.45.el3, +1 more
    fixed: vendor fix RHSA-2009:1432
  • Red Hat Enterprise Linux (v. 5 server) nspr 4.7.5-1.el5_4, firefox 3.0.14-1.el5_4, xulrunner 1.9.0.14-1.el5_4, xulrunner-devel-unstable 1.9.0.14-1.el5_4
    fixed: vendor fix RHSA-2009:1430
  • Red Hat Enterprise Linux AS version 3 seamonkey 1.0.9-0.45.el3, seamonkey-nss 1.0.9-0.45.el3, seamonkey-chat 1.0.9-0.45.el3, seamonkey-mail 1.0.9-0.45.el3, seamonkey-nspr 1.0.9-0.45.el3, seamonkey-js-debugger 1.0.9-0.45.el3, +1 more
    fixed: vendor fix RHSA-2009:1432
  • Red Hat Enterprise Linux AS version 4 nspr 4.7.5-1.el4_8, firefox 3.0.14-1.el4, seamonkey 1.0.9-48.el4_8, thunderbird 1.5.0.12-25.el4, seamonkey-chat 1.0.9-48.el4_8, seamonkey-mail 1.0.9-48.el4_8, +2 more Red Hat Enterprise Linux Desktop (v. 5 client) nspr 4.7.5-1.el5_4, firefox 3.0.14-1.el5_4, xulrunner 1.9.0.14-1.el5_4, thunderbird 2.0.0.24-2.el5_4, xulrunner-devel-unstable 1.9.0.14-1.el5_4 Red Hat Enterprise Linux Desktop version 4 nspr 4.7.5-1.el4_8, firefox 3.0.14-1.el4, seamonkey 1.0.9-48.el4_8, thunderbird 1.5.0.12-25.el4, seamonkey-chat 1.0.9-48.el4_8, seamonkey-mail 1.0.9-48.el4_8, +2 more Red Hat Enterprise Linux Desktop Workstation (v. 5 client) nspr 4.7.5-1.el5_4, xulrunner 1.9.0.14-1.el5_4, xulrunner-devel-unstable 1.9.0.14-1.el5_4
    fixed: vendor fix RHSA-2009:1430
  • Red Hat Enterprise Linux ES version 3 seamonkey 1.0.9-0.45.el3, seamonkey-nss 1.0.9-0.45.el3, seamonkey-chat 1.0.9-0.45.el3, seamonkey-mail 1.0.9-0.45.el3, seamonkey-nspr 1.0.9-0.45.el3, seamonkey-js-debugger 1.0.9-0.45.el3, +1 more
    fixed: vendor fix RHSA-2009:1432
  • Red Hat Enterprise Linux ES version 4 nspr 4.7.5-1.el4_8, firefox 3.0.14-1.el4, seamonkey 1.0.9-48.el4_8, thunderbird 1.5.0.12-25.el4, seamonkey-chat 1.0.9-48.el4_8, seamonkey-mail 1.0.9-48.el4_8, +2 more
    fixed: vendor fix RHSA-2009:1430
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 2.0.0.24-2.el5_4
    fixed: vendor fix RHSA-2010:0153
  • Red Hat Enterprise Linux WS version 3 seamonkey 1.0.9-0.45.el3, seamonkey-nss 1.0.9-0.45.el3, seamonkey-chat 1.0.9-0.45.el3, seamonkey-mail 1.0.9-0.45.el3, seamonkey-nspr 1.0.9-0.45.el3, seamonkey-js-debugger 1.0.9-0.45.el3, +1 more
    fixed: vendor fix RHSA-2009:1432
show 1 more
  • Red Hat Enterprise Linux WS version 4 nspr 4.7.5-1.el4_8, firefox 3.0.14-1.el4, seamonkey 1.0.9-48.el4_8, thunderbird 1.5.0.12-25.el4, seamonkey-chat 1.0.9-48.el4_8, seamonkey-mail 1.0.9-48.el4_8, +2 more
    fixed: vendor fix RHSA-2009:1430

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

Timeline

  1. Published
  2. First public exploit (EDB-9651)

Exploit prediction

6.72% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-9651 Mozilla Firefox < 3.0.14 - Multiplatform Remote Code Execution via pkcs11.addmodule remote, 2009-09-11

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

References

Sources

Fencer Vulns 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.