Mozilla: Miscellaneous memory safety hazards (rv:44.0) (MFSA 2016-01)
Published Jan 31, 2016
10.0
CRITICALCVSS 3.0
EPSS 5.72%
Description
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 44.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to uninitialized memory encountered during brotli data compression, and other vectors.
Affected products
No data.
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
Red Hat statement
This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5, 6 and 7.
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:C/C:H/I:H/A:H
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.72% (0.05722) | 92.80th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.72% (0.05722) | 92.03th | v5 (v2026.06.15) |
| Jul 7, 2025 | 2.40% (0.02395) | 84.35th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.35% (0.04350) | 87.87th | v4 (v2025.03.14) |
| Mar 29, 2025 | 7.01% (0.07011) | 85.45th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.35% (0.04350) | 88.18th | v4 (v2025.03.14) |
| Dec 12, 2024 | 4.04% (0.04043) | 92.43th | v3 (v2023.03.01) |
| Mar 1, 2024 | 3.88% (0.03882) | 91.69th | v3 (v2023.03.01) |
| May 3, 2023 | 3.80% (0.03797) | 90.49th | v3 (v2023.03.01) |
| Mar 25, 2023 | 3.32% (0.03319) | 89.82th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.94% (0.02938) | 89.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.31% (0.07312) | 92.53th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.31% (0.07312) | 91.80th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.31% (0.07312) | 80.56th | v2 (v2022.01.01) |
References (26)
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00001.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00002.html vendor-advisoryx_refsource_SUSE
- http://www.mozilla.org/security/announce/2016/mfsa2016-01.html x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/81953 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1034825 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2880-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2880-2 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2016-1931 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1180064 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1186973 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1206675 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1207298 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1209358 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1209365 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1209366 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1209368 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1209546 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1222015 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1229825 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1231121 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1234576 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1301819 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-1931
- https://security.gentoo.org/glsa/201605-06 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-1931
- https://www.mozilla.org/security/announce/2016/mfsa2016-01.html
Change history (0)
No recorded changes yet.