Mozilla use-after-free error using Web Workers (MFSA 2011-06)
Published Mar 2, 2011
10.0
HIGHCVSS 2.0
EPSS 4.72%
Description
Use-after-free vulnerability in the Web Workers implementation in Mozilla Firefox before 3.5.17 and 3.6.x before 3.6.14, and SeaMonkey before 2.0.12, allows remote attackers to execute arbitrary code via vectors related to a JavaScript Worker and garbage collection.
Affected products
No data.
Configuration 1
- 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
Configuration 2
- ≤ 2.0.11
- 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
Configuration 3
- ≤ 3.5.16
- 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
No data.
Red Hat Enterprise Linux 4
firefox-0:3.6.14-4.el4
Fixed · RHSA-2011:0310
Red Hat Enterprise Linux 5
firefox-0:3.6.14-4.el5_6
Fixed · RHSA-2011:0310
Red Hat Enterprise Linux 5
xulrunner-0:1.9.2.14-4.el5_6
Fixed · RHSA-2011:0310
Red Hat Enterprise Linux 6
firefox-0:3.6.14-4.el6_0
Fixed · RHSA-2011:0310
Red Hat Enterprise Linux 6
xulrunner-0:1.9.2.14-3.el6_0
Fixed · RHSA-2011:0310
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | firefox-0:3.6.14-4.el4 | Fixed | RHSA-2011:0310 |
| Red Hat Enterprise Linux 5 | firefox-0:3.6.14-4.el5_6 | Fixed | RHSA-2011:0310 |
| Red Hat Enterprise Linux 5 | xulrunner-0:1.9.2.14-4.el5_6 | Fixed | RHSA-2011:0310 |
| Red Hat Enterprise Linux 6 | firefox-0:3.6.14-4.el6_0 | Fixed | RHSA-2011:0310 |
| Red Hat Enterprise Linux 6 | xulrunner-0:1.9.2.14-3.el6_0 | Fixed | RHSA-2011:0310 |
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:L/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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.72% (0.04720) | 91.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.72% (0.04720) | 90.64th | v5 (v2026.06.15) |
| May 26, 2026 | 3.95% (0.03949) | 88.50th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.94% (0.02945) | 85.23th | v4 (v2025.03.14) |
| Mar 29, 2025 | 16.77% (0.16774) | 91.61th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.94% (0.02945) | 85.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 15.57% (0.15567) | 96.11th | v3 (v2023.03.01) |
| Oct 21, 2023 | 15.57% (0.15567) | 95.29th | v3 (v2023.03.01) |
| Aug 31, 2023 | 12.24% (0.12238) | 94.66th | v3 (v2023.03.01) |
| Mar 7, 2023 | 9.32% (0.09321) | 93.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.78% (0.07777) | 93.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.78% (0.07777) | 92.60th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.78% (0.07777) | 81.54th | v2 (v2022.01.01) |
References (10)
- http://downloads.avaya.com/css/P8/documents/100133195 x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:041 vendor-advisoryx_refsource_MANDRIVA
- http://www.mozilla.org/security/announce/2011/mfsa2011-06.html x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/46663 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2011-0057 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=626631 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=675093 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-0057
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14200 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2011-0057
| Link | Providers | Tags |
|---|---|---|
| http://downloads.avaya.com/css/P8/documents/100133195 | x_refsource_CONFIRM | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2011:041 | vendor-advisoryx_refsource_MANDRIVA | |
| http://www.mozilla.org/security/announce/2011/mfsa2011-06.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/46663 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2011-0057 | Vendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=626631 | x_refsource_CONFIRM | |
| https://bugzilla.redhat.com/show_bug.cgi?id=675093 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-0057 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14200 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2011-0057 |
Change history (0)
No recorded changes yet.