CVE-2016-9898
Use-after-free resulting in potentially exploitable crash when manipulating DOM subtrees in the Editor. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.
02 Description
Use-after-free resulting in potentially exploitable crash when manipulating DOM subtrees in the Editor. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.44% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 88.8% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-06-11 21:00Z8 YR AGO
- Last updated
- 2024-08-06 03:07Z2 YR AGO
- Reserved
- 2016-12-07
- Assigning CNA
- mozilla
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-416Use After FreeVariant
- Data version
- 5.1
- Document digest
- e7f1beb7e27201d444e188c70df5ce78b3efe1a1e42eea703735f3da3bc992c2
05 Affected products
06 References
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1314442
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2016-94/
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2016-95/
- www.securityfocus.com94885http://www.securityfocus.com/bid/94885
- www.securitytracker.com1037461http://www.securitytracker.com/id/1037461
- security.gentoo.orgGLSA-201701-15https://security.gentoo.org/glsa/201701-15
- www.debian.orgDSA-3757https://www.debian.org/security/2017/dsa-3757
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2016-96/
- rhn.redhat.comRHSA-2016:2946http://rhn.redhat.com/errata/RHSA-2016-2946.html
07 Fixed in
Arch Linux
- firefox Fixed in 50.1.0-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- firefox-esr Fixed in 45.6.0esr-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- firefox-esr Fixed in 45.6.0esr-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- firefox-esr Fixed in 45.6.0esr-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- firefox Fixed in 50.1.0+build2-0ubuntu0.14.04.1
- thunderbird Fixed in 1:45.7.0+build1-0ubuntu0.14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- firefox Fixed in 50.1.0+build2-0ubuntu0.16.04.1
- thunderbird Fixed in 1:45.7.0+build1-0ubuntu0.16.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.