Mozilla: Miscellaneous memory safety hazards (MFSA 2015-96)
Published Sep 24, 2015
7.5
HIGHCVSS 2.0
EPSS 4.76%
Description
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 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.
No data.
Red Hat Enterprise Linux 5
firefox-0:38.3.0-2.el5_11
Fixed · RHSA-2015:1834
Red Hat Enterprise Linux 5
thunderbird-0:38.3.0-1.el5_11
Fixed · RHSA-2015:1852
Red Hat Enterprise Linux 6
firefox-0:38.3.0-2.el6_7
Fixed · RHSA-2015:1834
Red Hat Enterprise Linux 6
thunderbird-0:38.3.0-1.el6_7
Fixed · RHSA-2015:1852
Red Hat Enterprise Linux 7
firefox-0:38.3.0-2.ael7b_1
Fixed · RHSA-2015:1834
Red Hat Enterprise Linux 7
thunderbird-0:38.3.0-1.ael7b_1
Fixed · RHSA-2015:1852
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox-0:38.3.0-2.el5_11 | Fixed | RHSA-2015:1834 |
| Red Hat Enterprise Linux 5 | thunderbird-0:38.3.0-1.el5_11 | Fixed | RHSA-2015:1852 |
| Red Hat Enterprise Linux 6 | firefox-0:38.3.0-2.el6_7 | Fixed | RHSA-2015:1834 |
| Red Hat Enterprise Linux 6 | thunderbird-0:38.3.0-1.el6_7 | Fixed | RHSA-2015:1852 |
| Red Hat Enterprise Linux 7 | firefox-0:38.3.0-2.ael7b_1 | Fixed | RHSA-2015:1834 |
| Red Hat Enterprise Linux 7 | thunderbird-0:38.3.0-1.ael7b_1 | Fixed | RHSA-2015:1852 |
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: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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.76% (0.04761) | 91.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.67% (0.04671) | 90.56th | v5 (v2026.06.15) |
| Jan 1, 2026 | 3.17% (0.03173) | 86.61th | v4 (v2025.03.14) |
| Jun 19, 2025 | 1.49% (0.01493) | 80.18th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.17% (0.03173) | 85.78th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.84% (0.06836) | 85.21th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.17% (0.03173) | 86.09th | v4 (v2025.03.14) |
| Dec 12, 2024 | 6.30% (0.06296) | 93.88th | v3 (v2023.03.01) |
| May 31, 2024 | 6.30% (0.06296) | 93.61th | v3 (v2023.03.01) |
| Apr 18, 2024 | 6.05% (0.06052) | 93.40th | v3 (v2023.03.01) |
| Oct 23, 2023 | 8.32% (0.08321) | 93.65th | v3 (v2023.03.01) |
| Mar 7, 2023 | 8.15% (0.08150) | 93.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.23% (0.08228) | 93.49th | v2 (v2022.01.01) |
| Apr 1, 2022 | 8.23% (0.08228) | 92.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 8.23% (0.08228) | 82.23th | v2 (v2022.01.01) |
References (32)
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00000.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00003.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00004.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00005.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00007.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2015-1834.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2015-1852.html vendor-advisoryx_refsource_REDHAT
- http://www.debian.org/security/2015/dsa-3365 vendor-advisoryx_refsource_DEBIAN
- http://www.mozilla.org/security/announce/2015/mfsa2015-96.html x_refsource_CONFIRMVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/76816 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1033640 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2743-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2743-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2743-3 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2743-4 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2754-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2015-4500 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1044077 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1152026 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1161063 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1181651 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1183153 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1186962 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1201793 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1202844 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1265186 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-4500
- https://www.cve.org/CVERecord?id=CVE-2015-4500
- https://www.mozilla.org/en-US/security/advisories/mfsa2015-96/
Change history (0)
No recorded changes yet.