critical
CVE-2016-1962
Mozilla: Use-after-free when using multiple WebRTC data channels (MFSA 2016-25)
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat6.8AV:N/AC:M/Au:N/C:P/I:P/A:P
Trivy's own label is CRITICAL. Rated critical by NVD, Red Hat, Oracle. Rated lower by Ubuntu (medium).
Description
Use-after-free vulnerability in the mozilla::DataChannelConnection::Close function in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to execute arbitrary code by leveraging mishandling of WebRTC data-channel connections.
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| Oracle Linux 5 | firefox | 38.7.0-1.0.1.el5_11 |
| Oracle Linux 6 | firefox | 38.7.0-1.0.1.el6_7 |
| Oracle Linux 7 | firefox | 38.7.0-1.0.1.el7_2 |
| debian 11 | firefox-esr | 45.0esr-1 |
| debian 12 | firefox-esr | 45.0esr-1 |
| debian 13 | firefox-esr | 45.0esr-1 |
| debian 14 | firefox-esr | 45.0esr-1 |
| debian 7 | icedove, iceweasel | 38.7.0-1~deb7u1 and 1 more |
| debian 8 | icedove, iceweasel | 38.7.0-1~deb8u1 and 1 more |
| echo | firefox-esr | 45.0esr-1 |
| ubuntu 12.04 | firefox | 45.0+build2-0ubuntu0.12.04.1 |
| ubuntu 14.04 | firefox | 45.0+build2-0ubuntu0.14.04.1 |
Show all 15 entries from 13 sources
| Source | Package | Fixed in |
|---|---|---|
| Oracle Linux 5 | firefox | 38.7.0-1.0.1.el5_11 |
| Oracle Linux 6 | firefox | 38.7.0-1.0.1.el6_7 |
| Oracle Linux 7 | firefox | 38.7.0-1.0.1.el7_2 |
| debian 11 | firefox-esr | 45.0esr-1 |
| debian 12 | firefox-esr | 45.0esr-1 |
| debian 13 | firefox-esr | 45.0esr-1 |
| debian 14 | firefox-esr | 45.0esr-1 |
| debian 7 | icedove | 38.7.0-1~deb7u1 |
| debian 7 | iceweasel | 38.7.0esr-1~deb7u1 |
| debian 8 | icedove | 38.7.0-1~deb8u1 |
| debian 8 | iceweasel | 38.7.0esr-1~deb8u1 |
| echo | firefox-esr | 45.0esr-1 |
| ubuntu 12.04 | firefox | 45.0+build2-0ubuntu0.12.04.1 |
| ubuntu 14.04 | firefox | 45.0+build2-0ubuntu0.14.04.1 |
| ubuntu 15.10 | firefox | 45.0+build2-0ubuntu0.15.10.1 |
References
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00089.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00091.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html
All 26 references
- http://www.debian.org/security/2016/dsa-3510
- http://www.debian.org/security/2016/dsa-3520
- http://www.mozilla.org/security/announce/2016/mfsa2016-25.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.securitytracker.com/id/1035215
- http://www.ubuntu.com/usn/USN-2917-1
- http://www.ubuntu.com/usn/USN-2917-2
- http://www.ubuntu.com/usn/USN-2917-3
- https://access.redhat.com/security/cve/CVE-2016-1962
- https://bugzilla.mozilla.org/show_bug.cgi?id=1240760
- https://linux.oracle.com/cve/CVE-2016-1962.html
- https://linux.oracle.com/errata/ELSA-2016-0373.html
- https://nvd.nist.gov/vuln/detail/CVE-2016-1962
- https://security.gentoo.org/glsa/201605-06
- https://ubuntu.com/security/notices/USN-2917-1
- https://www.cve.org/CVERecord?id=CVE-2016-1962
- https://www.mozilla.org/en-US/security/advisories/mfsa2016-25/
- https://www.mozilla.org/security/announce/2016/mfsa2016-25.html