Mozilla: Potential site identity spoofing when loading RSS and Atom feeds (MFSA 2012-33)
Published Apr 25, 2012
4.3
MEDIUMCVSS 2.0
EPSS 2.23%
Description
Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, and SeaMonkey before 2.9 allow remote attackers to spoof the address bar via an https URL for invalid (1) RSS or (2) Atom XML content.
Affected products
No data.
Configuration 1
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0.1
- 5.0
- 5.0.1
- 6.0
- 6.0.1
- 6.0.2
- 7.0
- 7.0.1
- 8.0
- 8.0.1
- 9.0
- 9.0.1
- 10.0
- 10.0.1
- 10.0.2
- 11.0
Configuration 2
Configuration 3
- 5.0
- 6.0
- 6.0.1
- 6.0.2
- 7.0
- 7.0.1
- 8.0
- 9.0
- 9.0.1
- 10.0
- 10.0.1
- 10.0.2
- 10.0.3
- 10.0.4
- 11.0
Configuration 4
- 10.0
- 10.0.1
- 10.0.2
- 10.0.3
Configuration 5
- ≤ 2.9
- 1.0
- 1.0
- 1.0
- 1.0.1
- 1.0.2
- 1.0.3
- 1.0.4
- 1.0.5
- 1.0.6
- 1.0.7
- 1.0.8
- 1.0.9
- 1.1
- 1.1
- 1.1
- 1.1.1
- 1.1.2
- 1.1.3
- 1.1.4
- 1.1.5
- 1.1.6
- 1.1.7
- 1.1.8
- 1.1.9
- 1.1.10
- 1.1.11
- 1.1.12
- 1.1.13
- 1.1.14
- 1.1.15
- 1.1.16
- 1.1.17
- 1.1.18
- 1.1.19
- 1.5.0.8
- 1.5.0.9
- 1.5.0.10
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.4
- 2.0.5
- 2.0.6
- 2.0.7
- 2.0.8
- 2.0.9
- 2.0.10
- 2.0.11
- 2.0.12
- 2.0.13
- 2.0.14
- 2.1
- 2.1
- 2.1
- 2.1
- 2.1
- 2.1
- 2.1
- 2.1
- 2.1
- 2.2
- 2.2
- 2.2
- 2.2
- 2.3
- 2.3
- 2.3
- 2.3
- 2.3.1
- 2.3.2
- 2.3.3
- 2.4
- 2.4
- 2.4
- 2.4
- 2.4.1
- 2.5
- 2.5
- 2.5
- 2.5
- 2.5
- 2.6
- 2.6
- 2.6
- 2.6
- 2.6
- 2.6.1
- 2.7
- 2.7
- 2.7
- 2.7
- 2.7
- 2.7
- 2.7.1
- 2.7.2
- 2.8
- 2.8
- 2.8
- 2.8
- 2.8
- 2.8
- 2.8
- 2.9
- 2.9
No data.
Red Hat Enterprise Linux 5
firefox-0:10.0.4-1.el5_8
Fixed · RHSA-2012:0515
Red Hat Enterprise Linux 5
thunderbird-0:10.0.4-1.el5_8
Fixed · RHSA-2012:0516
Red Hat Enterprise Linux 5
xulrunner-0:10.0.4-1.el5_8
Fixed · RHSA-2012:0515
Red Hat Enterprise Linux 6
firefox-0:10.0.4-1.el6_2
Fixed · RHSA-2012:0515
Red Hat Enterprise Linux 6
thunderbird-0:10.0.4-1.el6_2
Fixed · RHSA-2012:0516
Red Hat Enterprise Linux 6
xulrunner-0:10.0.4-1.el6_2
Fixed · RHSA-2012:0515
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox-0:10.0.4-1.el5_8 | Fixed | RHSA-2012:0515 |
| Red Hat Enterprise Linux 5 | thunderbird-0:10.0.4-1.el5_8 | Fixed | RHSA-2012:0516 |
| Red Hat Enterprise Linux 5 | xulrunner-0:10.0.4-1.el5_8 | Fixed | RHSA-2012:0515 |
| Red Hat Enterprise Linux 6 | firefox-0:10.0.4-1.el6_2 | Fixed | RHSA-2012:0515 |
| Red Hat Enterprise Linux 6 | thunderbird-0:10.0.4-1.el6_2 | Fixed | RHSA-2012:0516 |
| Red Hat Enterprise Linux 6 | xulrunner-0:10.0.4-1.el6_2 | Fixed | RHSA-2012:0515 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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:N/I:P/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.23% (0.02231) | 82.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.25% (0.02246) | 80.53th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.78% (0.00775) | 71.35th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.37% (0.02370) | 74.93th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.78% (0.00775) | 71.91th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.03% (0.01026) | 84.49th | v3 (v2023.03.01) |
| Nov 24, 2023 | 1.03% (0.01026) | 82.13th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.73% (0.00725) | 77.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.41% (0.03407) | 84.65th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.41% (0.03407) | 83.10th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.41% (0.03407) | 66.20th | v2 (v2022.01.01) |
No CWE recorded.
References (19)
- http://secunia.com/advisories/48920 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/48922 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/48972 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/49047 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/49055 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2012/dsa-2457 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2012/dsa-2458 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2012/dsa-2464 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:066 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:081 vendor-advisoryx_refsource_MANDRIVA
- http://www.mozilla.org/security/announce/2012/mfsa2012-33.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/53224 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2012-0479 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=714631 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=815044 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75156 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2012-0479
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17011 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2012-0479
Change history (0)
No recorded changes yet.