CVE-2018-5100: canonical ubuntu_linux Use After Free
CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2018-5100
Published 11-06-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-5100 is a high (CVSS 7.5) Use After Free vulnerability in canonical ubuntu_linux. EPSS estimates a 5.27% chance of exploitation in the next 30 days, higher than 92.4% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
5.27%
0%100%
Low · -0.11 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 11-06-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A use-after-free vulnerability can occur when arguments passed to the "IsPotentiallyScrollable" function are freed while still in use by scripts. This results in a potentially exploitable crash. This vulnerability affects Firefox < 58.
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
5.27%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
-0.11 pp
From 5.38% on 18-09-2026
18-09-202618-10-2026
EPSS score5.27%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 17.10
Mozilla1 product
- firefox≥ unspecified, < 58 | ≤ 57.0.4
Ubuntu1 product
- firefox< 58.0+build6-0ubuntu0.14.04.1 | < 58.0+build6-0ubuntu0.16.04.1 | < 59.0.1+build1-0ubuntu1
3 vendors · 3 products