Mozilla: Service Worker Manager out-of-bounds read in Service Worker Manager (MFSA 2016-22)
Published Mar 13, 2016
8.8
HIGHCVSS 3.0
EPSS 2.95%
Description
The ServiceWorkerManager class in Mozilla Firefox before 45.0 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read and memory corruption) via unspecified use of the Clients API.
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:U/C:H/I:H/A:H
AV:N/AC:M/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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.95% (0.02947) | 86.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.95% (0.02947) | 85.32th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.75% (0.00753) | 70.88th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.27% (0.02270) | 74.38th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.75% (0.00753) | 71.47th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.77% (0.03772) | 92.18th | v3 (v2023.03.01) |
| Apr 12, 2024 | 3.62% (0.03621) | 91.52th | v3 (v2023.03.01) |
| Oct 30, 2023 | 3.54% (0.03542) | 90.52th | v3 (v2023.03.01) |
| Jun 14, 2023 | 3.27% (0.03272) | 89.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.86% (0.02857) | 89.13th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.86% (0.05857) | 90.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.86% (0.05857) | 89.59th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.86% (0.05857) | 77.44th | v2 (v2022.01.01) |
References (14)
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html vendor-advisoryx_refsource_SUSE
- http://www.mozilla.org/security/announce/2016/mfsa2016-22.html x_refsource_CONFIRMVendor Advisory
- http://www.securitytracker.com/id/1035215 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2917-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2917-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2917-3 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2016-1959 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1234949 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1315575 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-1959
- https://security.gentoo.org/glsa/201605-06 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-1959
- https://www.mozilla.org/security/announce/2016/mfsa2016-22.html
Change history (0)
No recorded changes yet.