9.8

CVE-2018-5089: canonical ubuntu_linux

CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2018-5089DEBIAN-CVE-2018-5089
Published 11-06-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-5089 is a critical (CVSS 9.8) vulnerability in canonical ubuntu_linux. EPSS estimates a 3.33% chance of exploitation in the next 30 days, higher than 88.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
3.33%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 20 · Related 10

Timeline

  1. 11-06-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Memory safety bugs were reported in Firefox 57 and Firefox ESR 52.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

3.33%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

+0.03 pp

From 3.30% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu4 products
  • firefox< 58.0+build6-0ubuntu0.14.04.1 | < 58.0+build6-0ubuntu0.16.04.1 | < 59.0.1+build1-0ubuntu1
  • mozjs38All versions (No fix recorded)
  • mozjs52< 52.8.1-0ubuntu0.18.04.1 | All versions (No fix recorded)
  • thunderbird< 1:52.6.0+build1-0ubuntu0.14.04.1 | < 1:52.6.0+build1-0ubuntu0.16.04.1 | < 1:52.6.0+build1-0ubuntu1
Debian3 products
  • firefox-esr< 52.6.0esr-1
  • thunderbird< 1:52.6.0-1
  • debian_linuxEOL8.0 | 9.0
Mozilla3 products
Redhat3 products
Canonical1 product

5 vendors · 14 products

References

22 links
Show all 22 references