CVE-2017-5379: mozilla firefox Use After Free
CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2017-5379
Published 11-06-2018Last modified 05-08-2024
Vulnerability summary
CVE-2017-5379 is a high (CVSS 7.5) Use After Free vulnerability in mozilla firefox. EPSS estimates a 1.72% chance of exploitation in the next 30 days, higher than 77.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
1.72%
0%100%
Low · -0.03 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.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Use-after-free vulnerability in Web Animations when interacting with cycle collection found through fuzzing. This vulnerability affects Firefox < 51.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.72%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
-0.03 pp
From 1.76% on 20-09-2026
20-09-202620-10-2026
EPSS score1.72%
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, < 51 | < 51.0
Ubuntu1 product
- firefox< 51.0.1+build2-0ubuntu0.14.04.1 | < 51.0.1+build2-0ubuntu0.16.04.1
2 vendors · 2 products