CVE-2018-5188: canonical ubuntu_linux
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.
Advisory lineage
Upstream 0 · Downstream 25 · Related 13Timeline
- 18-10-2018PublishedVulnerability first disclosed.
- 05-08-2024Last 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- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat6 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_server_aus7.6
- enterprise_linux_server_eus7.5 | 7.6
- enterprise_linux_server_tus7.6
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
- ubuntu_linuxEOL14.04 | 16.04 | 17.10 | 18.04
5 vendors · 17 products
References
28 linksShow all 28 references
- lists.debian.org/debian-lts-announce/2018/07/msg00013.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/06/msg00014.htmlMailing ListX Refsource MLISTThird Party Advisory