Mozilla: Write to invalid HashMap entry through JavaScript.watch() (MFSA 2016-47)
Published Apr 30, 2016
7.5
HIGHCVSS 3.0
EPSS 2.06%
Description
The watch implementation in the JavaScript engine in Mozilla Firefox before 46.0, Firefox ESR 38.x before 38.8, and Firefox ESR 45.x before 45.1 allows remote attackers to execute arbitrary code or cause a denial of service (generation-count overflow, out-of-bounds HashMap write access, and application crash) via a crafted web site.
Affected products
No data.
- ≤ 45.0.2
- 38.0
- 38.0.1
- 38.0.5
- 38.1.0
- 38.1.1
- 38.2.0
- 38.2.1
- 38.3.0
- 38.4.0
- 38.5.0
- 38.5.1
- 38.6.0
- 38.6.1
- 38.7.0
- 38.7.1
- 45.0.1
No data.
Red Hat Enterprise Linux 5
firefox-0:45.1.0-1.el5_11
Fixed · RHSA-2016:0695
Red Hat Enterprise Linux 6
firefox-0:45.1.0-1.el6_7
Fixed · RHSA-2016:0695
Red Hat Enterprise Linux 7
firefox-0:45.1.0-1.el7_2
Fixed · RHSA-2016:0695
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox-0:45.1.0-1.el5_11 | Fixed | RHSA-2016:0695 |
| Red Hat Enterprise Linux 6 | firefox-0:45.1.0-1.el6_7 | Fixed | RHSA-2016:0695 |
| Red Hat Enterprise Linux 7 | firefox-0:45.1.0-1.el7_2 | Fixed | RHSA-2016:0695 |
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:H/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:H/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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.06% (0.02064) | 80.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.06% (0.02064) | 78.82th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.68% (0.00681) | 69.89th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.88% (0.01879) | 88.93th | v3 (v2023.03.01) |
| May 30, 2024 | 1.88% (0.01879) | 88.44th | v3 (v2023.03.01) |
| Dec 17, 2023 | 1.84% (0.01837) | 86.94th | v3 (v2023.03.01) |
| Aug 1, 2023 | 1.69% (0.01694) | 86.09th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.47% (0.01475) | 84.71th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.00% (0.05002) | 89.53th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.00% (0.05002) | 88.48th | v2 (v2022.01.01) |
| Mar 11, 2022 | 5.00% (0.05002) | 75.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.44% (0.04439) | 70.91th | v2 (v2022.01.01) |
References (20)
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00023.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00054.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00057.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2016-0695.html vendor-advisoryx_refsource_REDHAT
- http://www.debian.org/security/2016/dsa-3559 vendor-advisoryx_refsource_DEBIAN
- http://www.mozilla.org/security/announce/2016/mfsa2016-47.html x_refsource_CONFIRMVendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html x_refsource_CONFIRM
- http://www.securitytracker.com/id/1035692 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2936-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2936-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2936-3 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2016-2808 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1246061 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1330286 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-2808
- https://security.gentoo.org/glsa/201701-15 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-2808
- https://www.mozilla.org/security/announce/2016/mfsa2016-47.html
Change history (0)
No recorded changes yet.