Mozilla Use-after-free vulnerability when viewing XUL document with script disabled (MFSA 2011-20)
Published Jun 30, 2011
7.6
HIGHCVSS 2.0
EPSS 4.96%
Description
Use-after-free vulnerability in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14, when JavaScript is disabled, allows remote attackers to execute arbitrary code via a crafted XUL document.
Affected products
No data.
Configuration 1
- 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
Configuration 2
- ≤ 3.6.17
- 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
- 1.5
- 1.5
- 1.5
- 1.5.0.1
- 1.5.0.2
- 1.5.0.3
- 1.5.0.4
- 1.5.0.5
- 1.5.0.6
- 1.5.0.7
- 1.5.0.8
- 1.5.0.9
- 1.5.0.10
- 1.5.0.11
- 1.5.0.12
- 1.5.1
- 1.5.2
- 1.5.3
- 1.5.4
- 1.5.5
- 1.5.6
- 1.5.7
- 1.5.8
- 2.0
- 2.0.0.1
- 2.0.0.2
- 2.0.0.3
- 2.0.0.4
- 2.0.0.5
- 2.0.0.6
- 2.0.0.7
- 2.0.0.8
- 2.0.0.9
- 2.0.0.10
- 2.0.0.11
- 2.0.0.12
- 2.0.0.13
- 2.0.0.14
- 2.0.0.15
- 2.0.0.16
- 2.0.0.17
- 2.0.0.18
- 2.0.0.19
- 2.0.0.20
- 3.0
- 3.0.1
- 3.0.2
- 3.0.3
- 3.0.4
- 3.0.5
- 3.0.6
- 3.0.7
- 3.0.8
- 3.0.9
- 3.0.10
- 3.0.11
- 3.0.12
- 3.0.13
- 3.0.14
- 3.0.15
- 3.0.16
- 3.0.17
- 3.5
- 3.5.1
- 3.5.2
- 3.5.3
- 3.5.4
- 3.5.5
- 3.5.6
- 3.5.7
- 3.5.8
- 3.5.9
- 3.5.10
- 3.5.11
- 3.5.12
- 3.5.13
- 3.5.14
- 3.5.15
- 3.5.16
- 3.5.17
- 3.5.18
- 3.5.19
- 3.6
- 3.6.2
- 3.6.3
- 3.6.4
- 3.6.6
- 3.6.7
- 3.6.8
- 3.6.9
- 3.6.10
- 3.6.11
- 3.6.12
- 3.6.13
- 3.6.14
- 3.6.15
- 3.6.16
Configuration 3
- ≤ 3.1.10
- 0.1
- 0.2
- 0.3
- 0.4
- 0.5
- 0.6
- 0.7
- 0.7.1
- 0.7.2
- 0.7.3
- 0.8
- 0.9
- 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
- 1.5
- 1.5
- 1.5.0.1
- 1.5.0.2
- 1.5.0.3
- 1.5.0.4
- 1.5.0.5
- 1.5.0.6
- 1.5.0.7
- 1.5.0.8
- 1.5.0.9
- 1.5.0.10
- 1.5.0.11
- 1.5.0.12
- 1.5.0.13
- 1.5.0.14
- 1.5.1
- 1.5.2
- 1.7.1
- 1.7.3
- 2.0
- 2.0.0.0
- 2.0.0.1
- 2.0.0.2
- 2.0.0.3
- 2.0.0.4
- 2.0.0.5
- 2.0.0.6
- 2.0.0.7
- 2.0.0.8
- 2.0.0.9
- 2.0.0.12
- 2.0.0.14
- 2.0.0.16
- 2.0.0.17
- 2.0.0.18
- 2.0.0.19
- 2.0.0.21
- 2.0.0.22
- 2.0.0.23
- 3.0
- 3.0.1
- 3.0.2
- 3.0.3
- 3.0.4
- 3.0.5
- 3.0.6
- 3.0.7
- 3.0.8
- 3.0.9
- 3.0.10
- 3.0.11
- 3.1
- 3.1.1
- 3.1.2
- 3.1.3
- 3.1.4
- 3.1.5
- 3.1.6
- 3.1.7
- 3.1.8
- 3.1.9
Configuration 4
- 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
No data.
Red Hat Enterprise Linux 4
firefox-0:3.6.18-2.el4
Fixed · RHSA-2011:0885
Red Hat Enterprise Linux 4
seamonkey-0:1.0.9-71.el4
Fixed · RHSA-2011:0888
Red Hat Enterprise Linux 4
thunderbird-0:1.5.0.12-39.el4
Fixed · RHSA-2011:0887
Red Hat Enterprise Linux 5
firefox-0:3.6.18-1.el5_6
Fixed · RHSA-2011:0885
Red Hat Enterprise Linux 5
thunderbird-0:2.0.0.24-18.el5_6
Fixed · RHSA-2011:0887
Red Hat Enterprise Linux 5
xulrunner-0:1.9.2.18-2.el5_6
Fixed · RHSA-2011:0885
Red Hat Enterprise Linux 6
firefox-0:3.6.18-1.el6_1
Fixed · RHSA-2011:0885
Red Hat Enterprise Linux 6
xulrunner-0:1.9.2.18-2.el6_1
Fixed · RHSA-2011:0885
Red Hat Enterprise Linux 6
thunderbird
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | firefox-0:3.6.18-2.el4 | Fixed | RHSA-2011:0885 |
| Red Hat Enterprise Linux 4 | seamonkey-0:1.0.9-71.el4 | Fixed | RHSA-2011:0888 |
| Red Hat Enterprise Linux 4 | thunderbird-0:1.5.0.12-39.el4 | Fixed | RHSA-2011:0887 |
| Red Hat Enterprise Linux 5 | firefox-0:3.6.18-1.el5_6 | Fixed | RHSA-2011:0885 |
| Red Hat Enterprise Linux 5 | thunderbird-0:2.0.0.24-18.el5_6 | Fixed | RHSA-2011:0887 |
| Red Hat Enterprise Linux 5 | xulrunner-0:1.9.2.18-2.el5_6 | Fixed | RHSA-2011:0885 |
| Red Hat Enterprise Linux 6 | firefox-0:3.6.18-1.el6_1 | Fixed | RHSA-2011:0885 |
| Red Hat Enterprise Linux 6 | xulrunner-0:1.9.2.18-2.el6_1 | Fixed | RHSA-2011:0885 |
| Red Hat Enterprise Linux 6 | thunderbird | Affected | n/a |
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:H/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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.96% (0.04960) | 91.91th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.96% (0.04960) | 91.04th | v5 (v2026.06.15) |
| May 16, 2026 | 3.79% (0.03792) | 88.20th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.71% (0.02711) | 84.62th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.40% (0.10403) | 88.61th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.40% (0.02400) | 83.96th | v4 (v2025.03.14) |
| Dec 12, 2024 | 10.68% (0.10678) | 95.32th | v3 (v2023.03.01) |
| Feb 18, 2024 | 10.68% (0.10678) | 94.88th | v3 (v2023.03.01) |
| Dec 29, 2023 | 8.27% (0.08270) | 93.74th | v3 (v2023.03.01) |
| Sep 12, 2023 | 8.40% (0.08403) | 93.61th | v3 (v2023.03.01) |
| May 26, 2023 | 7.03% (0.07030) | 92.93th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.92% (0.06922) | 92.82th | 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 (20)
- http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00001.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/45002 third-party-advisoryx_refsource_SECUNIA
- http://support.avaya.com/css/P8/documents/100144854 x_refsource_CONFIRM
- http://support.avaya.com/css/P8/documents/100145333 x_refsource_CONFIRM
- http://www.debian.org/security/2011/dsa-2268 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2011/dsa-2269 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2011/dsa-2273 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:111 vendor-advisoryx_refsource_MANDRIVA
- http://www.mozilla.org/security/announce/2011/mfsa2011-20.html x_refsource_CONFIRMVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2011-0885.html vendor-advisoryx_refsource_REDHAT
- http://www.redhat.com/support/errata/RHSA-2011-0887.html vendor-advisoryx_refsource_REDHAT
- http://www.redhat.com/support/errata/RHSA-2011-0888.html vendor-advisoryx_refsource_REDHAT
- http://www.ubuntu.com/usn/USN-1149-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2011-2373 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=617247 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=714577 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68133 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2011-2373
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14178 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2011-2373
Change history (0)
No recorded changes yet.