Mozilla: Use-after-free in GetStaticInstance in WebRTC (MFSA 2016-33)
Published Mar 13, 2016
8.8
HIGHCVSS 3.0
EPSS 2.98%
Description
Race condition in the GetStaticInstance function in the WebRTC implementation in Mozilla Firefox before 45.0 might allow remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via unspecified vectors.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
firefox-0:38.7.0-1.el5_11
Fixed · RHSA-2016:0373
Red Hat Enterprise Linux 6
firefox-0:38.7.0-1.el6_7
Fixed · RHSA-2016:0373
Red Hat Enterprise Linux 7
firefox-0:38.7.0-1.el7_2
Fixed · RHSA-2016:0373
Red Hat Enterprise Linux 5
thunderbird
Not affected
Red Hat Enterprise Linux 6
thunderbird
Not affected
Red Hat Enterprise Linux 7
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox-0:38.7.0-1.el5_11 | Fixed | RHSA-2016:0373 |
| Red Hat Enterprise Linux 6 | firefox-0:38.7.0-1.el6_7 | Fixed | RHSA-2016:0373 |
| Red Hat Enterprise Linux 7 | firefox-0:38.7.0-1.el7_2 | Fixed | RHSA-2016:0373 |
| Red Hat Enterprise Linux 5 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 6 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 7 | thunderbird | Not affected | n/a |
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: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 | 2.98% (0.02980) | 86.81th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.99% (0.02991) | 85.53th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.89% (0.00894) | 73.46th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.70% (0.02701) | 76.43th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.89% (0.00894) | 73.95th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.42% (0.01422) | 87.06th | v3 (v2023.03.01) |
| Apr 12, 2024 | 1.34% (0.01336) | 85.83th | v3 (v2023.03.01) |
| Jan 4, 2024 | 1.31% (0.01305) | 84.42th | v3 (v2023.03.01) |
| Oct 30, 2023 | 1.01% (0.01011) | 82.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.87% (0.00871) | 79.88th | 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) |
No CWE recorded.
References (15)
- 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/mfsa2016-33.html x_refsource_CONFIRMVendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html x_refsource_CONFIRMThird Party 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-2016-1973 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1219339 x_refsource_CONFIRMIssue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=1315782 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-1973
- https://security.gentoo.org/glsa/201605-06 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-1973
- https://www.mozilla.org/security/announce/2016/mfsa2016-33.html
Change history (0)
No recorded changes yet.