Mozilla: Use-after-free while replacing/inserting a node in a document (MFSA 2012-38)
Published Jun 5, 2012
9.3
HIGHCVSS 2.0
EPSS 4.45%
Description
Use-after-free vulnerability in the nsINode::ReplaceOrInsertBefore function in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, and SeaMonkey before 2.10 might allow remote attackers to execute arbitrary code via document changes involving replacement or insertion of a node.
Affected products
No data.
- 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
- 10.0.3
- 10.0.4
- 11.0
- 12.0
- 12.0
- ≤ 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
- 2.9
- 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
- 12.0
- 10.0
- 10.0.1
- 10.0.2
- 10.0.3
- 10.0.4
No data.
Red Hat Enterprise Linux 5
firefox-0:10.0.5-1.el5_8
Fixed · RHSA-2012:0710
Red Hat Enterprise Linux 5
thunderbird-0:10.0.5-2.el5_8
Fixed · RHSA-2012:0715
Red Hat Enterprise Linux 5
xulrunner-0:10.0.5-1.el5_8
Fixed · RHSA-2012:0710
Red Hat Enterprise Linux 6
firefox-0:10.0.5-1.el6_2
Fixed · RHSA-2012:0710
Red Hat Enterprise Linux 6
thunderbird-0:10.0.5-2.el6_2
Fixed · RHSA-2012:0715
Red Hat Enterprise Linux 6
xulrunner-0:10.0.5-1.el6_2
Fixed · RHSA-2012:0710
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox-0:10.0.5-1.el5_8 | Fixed | RHSA-2012:0710 |
| Red Hat Enterprise Linux 5 | thunderbird-0:10.0.5-2.el5_8 | Fixed | RHSA-2012:0715 |
| Red Hat Enterprise Linux 5 | xulrunner-0:10.0.5-1.el5_8 | Fixed | RHSA-2012:0710 |
| Red Hat Enterprise Linux 6 | firefox-0:10.0.5-1.el6_2 | Fixed | RHSA-2012:0710 |
| Red Hat Enterprise Linux 6 | thunderbird-0:10.0.5-2.el6_2 | Fixed | RHSA-2012:0715 |
| Red Hat Enterprise Linux 6 | xulrunner-0:10.0.5-1.el6_2 | Fixed | RHSA-2012:0710 |
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:C/I:C/A:C
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.45% (0.04451) | 91.11th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.45% (0.04451) | 90.15th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.45% (0.01451) | 78.99th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.21% (0.06214) | 84.37th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.45% (0.01451) | 79.45th | v4 (v2025.03.14) |
| Dec 12, 2024 | 4.92% (0.04917) | 93.10th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.00% (0.05000) | 91.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 9.92% (0.09915) | 94.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 9.92% (0.09915) | 94.04th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.92% (0.09915) | 87.53th | v2 (v2022.01.01) |
References (13)
- http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00012.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00015.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2012-0710.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2012-0715.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/49981 third-party-advisoryx_refsource_SECUNIAPermissions Required
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:088 vendor-advisoryx_refsource_MANDRIVA
- http://www.mozilla.org/security/announce/2012/mfsa2012-38.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2012-1946 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=750109 x_refsource_CONFIRMIssue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=827832 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2012-1946
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17010 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2012-1946
Change history (0)
No recorded changes yet.