Mozilla: Memory safety bugs fixed in Firefox 50 (MFSA 2016-89)
Published Jun 11, 2018
9.8
CRITICALCVSS 3.0
EPSS 1.99%
Description
Memory safety bugs were reported in Firefox 49. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 50.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<50
- Version
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
Red Hat Enterprise Linux 7
firefox
Not affected
Red Hat Enterprise Linux 7
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 |
| Red Hat Enterprise Linux 7 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 7 | thunderbird | Not 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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.99% (0.01994) | 79.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.02% (0.02020) | 78.34th | v5 (v2026.06.15) |
| Dec 26, 2025 | 1.81% (0.01811) | 82.38th | v4 (v2025.03.14) |
| Jun 29, 2025 | 2.85% (0.02853) | 85.63th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.88% (0.03876) | 87.16th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.70% (0.10697) | 88.81th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.95% (0.03948) | 87.58th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.40% (0.00400) | 74.44th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.40% (0.00400) | 72.91th | v3 (v2023.03.01) |
| Dec 12, 2023 | 0.40% (0.00400) | 70.67th | v3 (v2023.03.01) |
| Nov 2, 2023 | 0.43% (0.00433) | 71.75th | v3 (v2023.03.01) |
| Jun 5, 2023 | 0.49% (0.00491) | 72.69th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.50% (0.00501) | 72.68th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (9)
- http://www.securityfocus.com/bid/94337 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037298 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-5289 Vendor Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1296649%2C1298107%2C1300129%2C1305876%2C1314667%2C1301252%2C1277866%2C1307254%2C1252511%2C1264053 x_refsource_CONFIRMIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1395098 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-5289
- https://www.cve.org/CVERecord?id=CVE-2016-5289
- https://www.mozilla.org/security/advisories/mfsa2016-89/ x_refsource_CONFIRMVendor Advisory
- https://www.mozilla.org/security/announce/2016/mfsa2016-89.html
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/94337 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1037298 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2016-5289 | Vendor Advisory | |
| https://bugzilla.mozilla.org/buglist.cgi?bug_id=1296649%2C1298107%2C1300129%2C1305876%2C1314667%2C1301252%2C1277866%2C1307254%2C1252511%2C1264053 | x_refsource_CONFIRMIssue TrackingVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1395098 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-5289 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-5289 | ||
| https://www.mozilla.org/security/advisories/mfsa2016-89/ | x_refsource_CONFIRMVendor Advisory | |
| https://www.mozilla.org/security/announce/2016/mfsa2016-89.html |
Change history (0)
No recorded changes yet.