HIGH
Mozilla: Miscellaneous memory safety hazards (rv:17.0) (MFSA 2012-91)
Published Nov 21, 2012
9.3
HIGHCVSS 2.0
EPSS 5.78%
Description
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
Affected products
No data.
Configuration 1
OR
- < 10.0.11
- < 17.0
- < 2.14
- < 17.0
- < 10.0.11
Configuration 2
OR
- 11.4
- 12.1
- 12.2
- 10
- 11
- 10
- 11
- 11
- 10
- 11
Configuration 3
OR
- 10.04
- 11.10
- 12.04
- 12.10
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.
9.3 HIGH NVD
AV:N/AC:M/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
5.78% 0.05783
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.05783
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.78% (0.05783) | 92.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.78% (0.05783) | 92.10th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.16% (0.02162) | 83.12th | v4 (v2025.03.14) |
| Feb 3, 2025 | 7.21% (0.07205) | 94.03th | v3 (v2023.03.01) |
| Dec 17, 2024 | 5.22% (0.05218) | 92.90th | v3 (v2023.03.01) |
| Dec 12, 2024 | 1.66% (0.01662) | 88.12th | v3 (v2023.03.01) |
| Apr 18, 2024 | 1.63% (0.01625) | 87.31th | v3 (v2023.03.01) |
| Feb 15, 2024 | 1.44% (0.01443) | 86.23th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.02% (0.01022) | 81.48th | 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) |
Weaknesses (0)
No CWE recorded.
References (35)
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00092.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://secunia.com/advisories/51369 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/51370 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/51381 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/51434 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/51439 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/51440 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://www.mozilla.org/security/announce/2012/mfsa2012-91.html x_refsource_CONFIRMVendor Advisory
- http://www.ubuntu.com/usn/USN-1636-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-1638-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-1638-2 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-1638-3 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2012-5843 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=760887 x_refsource_CONFIRMIssue TrackingVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=765409 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=774953 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=780778 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=781859 x_refsource_CONFIRMExploitIssue TrackingPatchVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=784404 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=787089 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=788822 x_refsource_CONFIRMExploitIssue TrackingPatchVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=789075 x_refsource_CONFIRMIssue TrackingPatch
- https://bugzilla.mozilla.org/show_bug.cgi?id=791601 x_refsource_CONFIRMExploitIssue TrackingPatchVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=793253 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=795281 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=797163 x_refsource_CONFIRMExploitIssue TrackingVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=798678 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=877613 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2012-5843
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16839 vdb-entrysignaturex_refsource_OVALThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2012-5843
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| http://lists.opensuse.org/opensuse-updates/2012-11/msg00092.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| http://secunia.com/advisories/51369 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/51370 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/51381 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/51434 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/51439 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/51440 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://www.mozilla.org/security/announce/2012/mfsa2012-91.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.ubuntu.com/usn/USN-1636-1 | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| http://www.ubuntu.com/usn/USN-1638-1 | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| http://www.ubuntu.com/usn/USN-1638-2 | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| http://www.ubuntu.com/usn/USN-1638-3 | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2012-5843 | Vendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=760887 | x_refsource_CONFIRMIssue TrackingVendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=765409 | x_refsource_CONFIRMIssue TrackingPatchVendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=774953 | x_refsource_CONFIRMIssue TrackingPatchVendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=780778 | x_refsource_CONFIRMIssue TrackingPatchVendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=781859 | x_refsource_CONFIRMExploitIssue TrackingPatchVendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=784404 | x_refsource_CONFIRMIssue TrackingPatchVendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=787089 | x_refsource_CONFIRMIssue TrackingPatchVendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=788822 | x_refsource_CONFIRMExploitIssue TrackingPatchVendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=789075 | x_refsource_CONFIRMIssue TrackingPatch | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=791601 | x_refsource_CONFIRMExploitIssue TrackingPatchVendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=793253 | x_refsource_CONFIRMIssue TrackingPatchVendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=795281 | x_refsource_CONFIRMIssue TrackingPatchVendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=797163 | x_refsource_CONFIRMExploitIssue TrackingVendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=798678 | x_refsource_CONFIRMIssue TrackingPatchVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=877613 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-5843 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16839 | vdb-entrysignaturex_refsource_OVALThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2012-5843 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 21, 2012
Updated Aug 6, 2024
Reserved Nov 5, 2012
Link CVE-2012-5843
CISA Vulnrichment
Updated n/a