CVE-2018-5148: canonical ubuntu_linux Use After Free
CVSS: 9.8v3.0CriticalModified
AliasesRHSA-2018:1098RHSA-2018:1099UBUNTU-CVE-2018-5148USN-3609-1DEBIAN-CVE-2018-5148DLA-1321-1DSA-4153-1
Published 11-06-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-5148 is a critical (CVSS 9.8) Use After Free vulnerability in canonical ubuntu_linux. EPSS estimates a 2.92% chance of exploitation in the next 30 days, higher than 86.8% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
2.92%
0%100%
Low · -0.06 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 4Timeline
- 11-06-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A use-after-free vulnerability can occur in the compositor during certain graphics operations when a raw pointer is used instead of a reference counted one. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.7.3 and Firefox < 59.0.2.
CVSS metrics
5 scores · 4 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · Red hatEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- 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
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.92%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
-0.06 pp
From 2.97% on 19-09-2026
19-09-202619-10-2026
EPSS score2.92%
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_eus7.5
- enterprise_linux_workstation6.0 | 7.0
- firefox< 0:52.7.3-1.el6_9 | < 0:52.7.3-1.el7_5
Debian2 products
- firefox-esr< 52.7.3esr-1 | < 52.7.3esr-1~deb9u1 | < 52.7.3esr-1~deb8u1 | < 52.7.3esr-1~deb7u1
- debian_linuxEOL7.0 | 8.0 | 9.0
Mozilla2 products
- firefox≥ unspecified, < 59.0.2 | < 59.0.2 | < 52.7.3
- firefox_esr≥ unspecified, < 52.7.3
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 17.10
Ubuntu1 product
- firefox< 59.0.2+build1-0ubuntu1 | < 59.0.2+build1-0ubuntu0.14.04.1 | < 59.0.2+build1-0ubuntu0.16.04.1
5 vendors · 12 products
References
20 links- access.redhat.com/errata/RHSA-2018:1098Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
- bugzilla.mozilla.org/show_bug.cgi?id=1440717X Refsource CONFIRMIssue TrackingPermissions RequiredThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/03/msg00023.htmlMailing ListX Refsource MLISTThird Party Advisory
- access.redhat.com/errata/RHSA-2018:1099Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
