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Fencer Vulns
critical 9.3

CVE-2009-1832 json

Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 allow remote attackers to cause a denial of service…

published 2009-06-12 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1827

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.2%
EPSS 9.2% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors involving "double frame construction."

Patch / fix

  • firefox RHEL 4 3.0.11-4.el4
  • firefox RHEL 5 3.0.11-2.el5_3
  • xulrunner RHEL 5 1.9.0.11-3.el5_3
  • xulrunner-devel-unstable RHEL 5 1.9.0.11-3.el5_3

red hat advisories RHSA-2009:1095

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-2009-1832 updated cvss 6.8

Firefox double frame construction flaw

  • Red Hat Enterprise Linux (v. 5 server) firefox 3.0.11-2.el5_3, xulrunner 1.9.0.11-3.el5_3, xulrunner-devel-unstable 1.9.0.11-3.el5_3 Red Hat Enterprise Linux AS version 4 firefox 3.0.11-4.el4 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 3.0.11-2.el5_3, xulrunner 1.9.0.11-3.el5_3, xulrunner-devel-unstable 1.9.0.11-3.el5_3 Red Hat Enterprise Linux Desktop version 4 firefox 3.0.11-4.el4 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) xulrunner 1.9.0.11-3.el5_3, xulrunner-devel-unstable 1.9.0.11-3.el5_3 Red Hat Enterprise Linux ES version 4 firefox 3.0.11-4.el4
    +1 more products
    Red Hat Enterprise Linux WS version 4 firefox 3.0.11-4.el4
    fixed: vendor fix RHSA-2009:1095

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

9.18% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=484031 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=503569 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

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

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

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.