Mozilla: Miscellaneous memory safety hazards (rv:16.0.1) (MFSA 2012-88)
Published Oct 12, 2012
9.3
HIGHCVSS 2.0
EPSS 3.87%
Description
The mozilla::net::FailDelayManager::Lookup function in the WebSockets implementation in Mozilla Firefox before 16.0.1, Thunderbird before 16.0.1, and SeaMonkey before 2.13.1 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.
Affected products
No data.
Configuration 1
Configuration 2
- 10.04
- 11.04
- 11.10
- 12.04
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: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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.87% (0.03869) | 89.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.87% (0.03869) | 88.80th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.21% (0.01207) | 77.09th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.75% (0.04745) | 81.98th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.48% (0.01483) | 79.69th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.72% (0.02720) | 90.22th | v3 (v2023.03.01) |
| Apr 30, 2023 | 4.46% (0.04463) | 91.19th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.72% (0.03722) | 90.36th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.60% (0.06604) | 91.53th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.60% (0.06604) | 90.72th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.60% (0.06604) | 78.62th | v2 (v2022.01.01) |
References (15)
- http://osvdb.org/86125 vdb-entryx_refsource_OSVDBBroken Link
- http://secunia.com/advisories/50904 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/50929 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/50984 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://www.mozilla.org/security/announce/2012/mfsa2012-88.html x_refsource_CONFIRMVendor Advisory
- http://www.securitytracker.com/id?1027653 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-1608-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-1611-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2012-4191 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=798045 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=865286 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79209 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2012-4191
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16719 vdb-entrysignaturex_refsource_OVALThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2012-4191
Change history (0)
No recorded changes yet.