Mozilla: defaultValue security checks not applied (firefox-16) (MFSA 2012-89)
Published Oct 12, 2012
4.3
MEDIUMCVSS 2.0
EPSS 1.41%
Description
Mozilla Firefox 16.0, Thunderbird 16.0, and SeaMonkey 2.13 allow remote attackers to bypass the Same Origin Policy and read the properties of a Location object via a crafted web site, a related issue to CVE-2012-4193.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
firefox
Not affected
Red Hat Enterprise Linux 5
thunderbird
Not affected
Red Hat Enterprise Linux 6
firefox
Not affected
Red Hat Enterprise Linux 6
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 5 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 6 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 6 | thunderbird | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5 and 6
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.41% (0.01413) | 71.74th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.41% (0.01413) | 69.13th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.62% (0.00622) | 68.31th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.22% (0.02223) | 89.15th | v3 (v2023.03.01) |
| Jun 30, 2023 | 8.37% (0.08365) | 93.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 7.17% (0.07174) | 92.92th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.96% (0.01955) | 78.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.96% (0.01955) | 76.59th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.96% (0.01955) | 55.71th | v2 (v2022.01.01) |
References (16)
- http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/50904 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/50929 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/50984 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/55318 third-party-advisoryx_refsource_SECUNIA
- http://www.mozilla.org/security/announce/2012/mfsa2012-89.html x_refsource_CONFIRMVendor Advisory
- http://www.thespanner.co.uk/2012/10/10/firefox-knows-what-your-friends-did-last-summer/ x_refsource_MISCExploit
- http://www.ubuntu.com/usn/USN-1608-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1611-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2012-4192 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=799952 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=865283 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79210 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2012-4192
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17095 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2012-4192
Change history (0)
No recorded changes yet.