CVE-2018-5144: canonical ubuntu_linux Integer Overflow or Wraparound
CVSS: 7.5v2.0HighModified
AliasesUBUNTU-CVE-2018-5144DEBIAN-CVE-2018-5144
Published 11-06-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-5144 is a high (CVSS 7.5) Integer Overflow or Wraparound vulnerability in canonical ubuntu_linux. EPSS estimates a 3.20% chance of exploitation in the next 30 days, higher than 87.9% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v2.0 (NVD)EPSS score
3.20%
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 18 · Related 6Timeline
- 11-06-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An integer overflow can occur during conversion of text to some Unicode character sets due to an unchecked length parameter. This vulnerability affects Firefox ESR < 52.7 and Thunderbird < 52.7.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.3Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.3HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- OSV · DebianEcosystem advisory · calculated7.3HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.20%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
-0.07 pp
From 3.26% on 18-09-2026
18-09-202618-10-2026
EPSS score3.20%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat5 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_server_aus7.4
- enterprise_linux_server_eus7.2 | 7.4 | 7.5
- enterprise_linux_workstation6.0 | 7.0
Debian3 products
- firefox-esr< 52.7.0esr-1
- thunderbird< 1:52.7.0-1
- debian_linuxEOL7.0 | 8.0 | 9.0
Mozilla3 products
- firefox< 52.7.0
- firefox_esr≥ unspecified, < 52.7
- thunderbird≥ unspecified, < 52.7 | < 52.7.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 17.10
Ubuntu1 product
- thunderbird< 1:52.7.0+build1-0ubuntu0.14.04.1 | < 1:52.7.0+build1-0ubuntu0.16.04.1 | < 1:52.7.0+build1-0ubuntu1
5 vendors · 13 products
References
21 links- lists.debian.org/debian-lts-announce/2018/03/msg00010.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/03/msg00029.htmlMailing ListX Refsource MLISTThird Party Advisory