Mozilla: Missing delay following user click events in protocol handler dialog (MFSA 2016-06)
Published Jan 31, 2016
6.1
MEDIUMCVSS 3.0
EPSS 1.26%
Description
The protocol-handler dialog in Mozilla Firefox before 44.0 allows remote attackers to conduct clickjacking attacks via a crafted web site that triggers a single-click action in a situation where a double-click action was intended.
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:R/S:C/C:L/I:L/A:N
AV:N/AC:M/Au:N/C:N/I:P/A:N
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.26% (0.01256) | 68.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.26% (0.01256) | 65.53th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.43% (0.00428) | 60.36th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.29% (0.00289) | 69.83th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.29% (0.00289) | 68.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.29% (0.00289) | 64.06th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.78% (0.01776) | 76.86th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.78% (0.01776) | 76.81th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.78% (0.01776) | 74.78th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.78% (0.01776) | 53.99th | v2 (v2022.01.01) |
References (14)
- 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/mfsa2016-06.html x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/81957 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-2016-1937 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=724353 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1301823 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-1937
- https://security.gentoo.org/glsa/201605-06 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-1937
- https://www.mozilla.org/security/announce/2016/mfsa2016-06.html
Change history (0)
No recorded changes yet.