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Fencer Intel
critical 9.3

CVE-2012-0449 json

Mozilla Firefox before 3.6.26 and 4.x through 9.0, Thunderbird before 3.1.18 and 5.0 through 9.0, and SeaMonkey before 2.7 allow remote att…

published 2012-02-01 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-0481

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.7%
EPSS 5.7% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

Mozilla Firefox before 3.6.26 and 4.x through 9.0, Thunderbird before 3.1.18 and 5.0 through 9.0, and SeaMonkey before 2.7 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a malformed XSLT stylesheet that is embedded in a document.

Patch / fix

  • mozilla firefox 3.6.26, 10.0
  • mozilla seamonkey 2.7
  • mozilla thunderbird 3.1.18, 10.0
  • thunderbird RHEL 6 3.1.18-1.el6_2
  • firefox RHEL 4 3.6.26-2.el4
  • firefox RHEL 5 3.6.26-1.el5_7
  • firefox RHEL 6 3.6.26-1.el6_2
  • xulrunner RHEL 5 1.9.2.26-1.el5_7
  • xulrunner RHEL 6 1.9.2.26-1.el6_2

red hat advisories RHSA-2012:0080RHSA-2012:0079

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1
  • MozillaThunderbird openSUSE Tumbleweed 45.5.1-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10071-1openSUSE-SU-2024:10230-1

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-2012-0449 updated cvss 6.8

Mozilla: Crash when rendering SVG+XSLT (MFSA 2012-08)

  • Red Hat Enterprise Linux 5 thunderbird
    affected: no fix available
  • Red Hat Enterprise Linux (v. 5 server) firefox 3.6.26-1.el5_7, xulrunner 1.9.2.26-1.el5_7 Red Hat Enterprise Linux AS version 4 firefox 3.6.26-2.el4 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 3.6.26-1.el5_7, xulrunner 1.9.2.26-1.el5_7 Red Hat Enterprise Linux Desktop (v. 6) firefox 3.6.26-1.el6_2, thunderbird 3.1.18-1.el6_2, xulrunner 1.9.2.26-1.el6_2 Red Hat Enterprise Linux Desktop Optional (v. 6) xulrunner 1.9.2.26-1.el6_2 Red Hat Enterprise Linux Desktop version 4 firefox 3.6.26-2.el4
    +8 more products
    Red Hat Enterprise Linux ES version 4 firefox 3.6.26-2.el4 Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 3.6.26-1.el6_2, xulrunner 1.9.2.26-1.el6_2 Red Hat Enterprise Linux Server (v. 6) firefox 3.6.26-1.el6_2, xulrunner 1.9.2.26-1.el6_2 Red Hat Enterprise Linux Server Optional (v. 6) thunderbird 3.1.18-1.el6_2, xulrunner 1.9.2.26-1.el6_2 Red Hat Enterprise Linux Workstation (v. 6) firefox 3.6.26-1.el6_2, thunderbird 3.1.18-1.el6_2, xulrunner 1.9.2.26-1.el6_2 Red Hat Enterprise Linux Workstation Optional (v. 6) xulrunner 1.9.2.26-1.el6_2 Red Hat Enterprise Linux WS version 4 firefox 3.6.26-2.el4 Red Hat RHEL Desktop Workstation (v. 5 client) xulrunner 1.9.2.26-1.el5_7
    fixed: vendor fix RHSA-2012:0079

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

5.73% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

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-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.