CVE-2016-9896: mozilla firefox Use After Free
CVSS: 8.1v3.0HighModified
AliasesUBUNTU-CVE-2016-9896
Published 11-06-2018Last modified 06-08-2024
Vulnerability summary
CVE-2016-9896 is a high (CVSS 8.1) Use After Free vulnerability in mozilla firefox. EPSS estimates a 1.92% chance of exploitation in the next 30 days, higher than 79.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.1/10
010
High · v3.0 (NVD)EPSS score
1.92%
0%100%
Low · -0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 4 · Related 3Timeline
- 11-06-2018PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Use-after-free while manipulating the "navigator" object within WebVR. Note: WebVR is not currently enabled by default. This vulnerability affects Firefox < 50.1.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 8.1Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated8.1HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.92%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
-0.04 pp
From 1.96% on 19-09-2026
19-09-202619-10-2026
EPSS score1.92%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugzilla.mozilla.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Mozilla1 product
- firefox≥ unspecified, < 50.1 | < 50.1.0
Ubuntu1 product
- firefox< 50.1.0+build2-0ubuntu0.14.04.1 | < 50.1.0+build2-0ubuntu0.16.04.1
2 vendors · 2 products