9.8

CVE-2018-5188: canonical ubuntu_linux

CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2018-5188USN-3749-1DEBIAN-CVE-2018-5188
Published 18-10-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-5188 is a critical (CVSS 9.8) vulnerability in canonical ubuntu_linux. EPSS estimates a 3.94% chance of exploitation in the next 30 days, higher than 90.2% 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
3.94%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 25 · Related 13

Timeline

  1. 18-10-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Memory safety bugs present in Firefox 60, Firefox ESR 60, and Firefox ESR 52.8. 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 < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

3.94%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

0.00 pp

From 3.94% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.94%

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

Redhat6 products
Ubuntu4 products
  • firefox< 61.0+build3-0ubuntu0.14.04.2 | < 61.0+build3-0ubuntu0.16.04.2 | < 61.0+build3-0ubuntu0.18.04.1
  • mozjs38All versions (No fix recorded)
  • mozjs52< 52.9.1-0ubuntu0.18.04.1
  • thunderbird< 1:52.9.1+build3-0ubuntu0.14.04.1 | < 1:52.9.1+build3-0ubuntu0.16.04.1 | < 1:52.9.1+build3-0ubuntu0.18.04.1
Debian3 products
  • firefox-esr< 52.9.0esr-1
  • thunderbird< 1:52.9.0-1
  • debian_linuxEOL8.0 | 9.0
Mozilla3 products
  • firefox≥ unspecified, < 61 | < 61.0 | ≥ 53.0, < 60.1.0
  • firefox_esr≥ unspecified, < 60.1 | ≥ unspecified, < 52.9 | < 52.9
  • thunderbird≥ unspecified, < 60 | ≥ unspecified, < 52.9 | < 52.9
Canonical1 product

5 vendors · 17 products

References

28 links
Show all 28 references