Mozilla: WebRTC and LibVPX vulnerabilities found through code inspection (MFSA 2016-32)
Published Mar 13, 2016
5.5
MEDIUMCVSS 3.0
EPSS 1.34%
Description
Use-after-free vulnerability in the DesktopDisplayDevice class in the WebRTC implementation in Mozilla Firefox before 45.0 on Windows might allow remote attackers to cause a denial of service or possibly have unspecified other impact via unknown 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:L/UI:R/S:U/C:L/I:L/A:L
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.34% (0.01337) | 70.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.34% (0.01337) | 67.45th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.67% (0.00674) | 69.73th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.42% (0.00422) | 75.06th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.42% (0.00422) | 73.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.42% (0.00422) | 70.22th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.23% (0.01232) | 67.28th | v2 (v2022.01.01) |
| Dec 23, 2022 | 1.23% (0.01232) | 66.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.23% (0.01232) | 64.85th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.23% (0.01232) | 41.02th | v2 (v2022.01.01) |
No CWE recorded.
References (12)
- 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/mfsa2016-32.html x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/84220 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1035215 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2016-1976 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1176340 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1315780 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-1976
- https://security.gentoo.org/glsa/201605-06 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-1976
- https://www.mozilla.org/security/announce/2016/mfsa2016-32.html
| Link | Providers | Tags |
|---|---|---|
| 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/mfsa2016-32.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/84220 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1035215 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2016-1976 | Vendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1176340 | x_refsource_CONFIRM | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1315780 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-1976 | ||
| https://security.gentoo.org/glsa/201605-06 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2016-1976 | ||
| https://www.mozilla.org/security/announce/2016/mfsa2016-32.html |
Change history (0)
No recorded changes yet.