CVE-2018-5155: canonical ubuntu_linux Use After Free
CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2018-5155DEBIAN-CVE-2018-5155
Published 11-06-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-5155 is a critical (CVSS 9.8) Use After Free vulnerability in canonical ubuntu_linux. EPSS estimates a 3.38% chance of exploitation in the next 30 days, higher than 88.6% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
3.38%
0%100%
Low · -0.07 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 21 · Related 10DLA-1376-1DLA-1382-1DSA-4199-1DSA-4209-1MGASA-2018-0248MGASA-2018-0261MGASA-2018-0338OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:10601-1OPENSUSE-SU-2024:14572-1RHSA-2018:1414RHSA-2018:1415RHSA-2018:1725RHSA-2018:1726SUSE-SU-2018:1319-1SUSE-SU-2018:1334-1SUSE-SU-2018:1334-2SUSE-SU-2018:2298-1SUSE-SU-2019:2872-1USN-3645-1USN-3660-1
Timeline
- 11-06-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A use-after-free vulnerability can occur while adjusting layout during SVG animations with text paths. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.
CVSS metrics
4 scores · 3 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 3 agree
- 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
3.38%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
-0.07 pp
From 3.45% on 18-09-2026
18-09-202618-10-2026
EPSS score3.38%
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
Mozilla4 products
- firefox≥ unspecified, < 60 | < 52.8.0 | < 60.0
- firefox_esr≥ unspecified, < 52.8
- thunderbird≥ unspecified, < 52.8 | < 52.8.0
- thunderbird_esr≥ unspecified, < 52.8 | < 52.8.0
Debian3 products
- firefox-esr< 52.8.0esr-1
- thunderbird< 1:52.8.0-1
- debian_linuxEOL7.0 | 8.0 | 9.0
Ubuntu2 products
- firefox< 60.0+build2-0ubuntu0.14.04.1 | < 60.0+build2-0ubuntu0.16.04.1 | < 60.0+build2-0ubuntu1
- thunderbird< 1:52.8.0+build1-0ubuntu0.14.04.1 | < 1:52.8.0+build1-0ubuntu0.16.04.1 | < 1:52.8.0+build1-0ubuntu0.18.04.1
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 17.10 | 18.04
5 vendors · 16 products
References
25 linksShow all 25 references
lists.debian.org/debian-lts-announce/2018/05/msg00013.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.debian.org/debian-lts-announce/2018/05/msg00007.htmlMailing ListX Refsource MLISTThird Party Advisory
- bugzilla.mozilla.org/show_bug.cgi?id=1448774X Refsource CONFIRMIssue TrackingPermissions RequiredThird Party Advisory