7.5

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.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
3.20%
0%100%
Low · -0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 18 · Related 6

Timeline

  1. 11-06-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last 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 versions

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 score
3.20%

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

Redhat5 products
Debian3 products
  • firefox-esr< 52.7.0esr-1
  • thunderbird< 1:52.7.0-1
  • debian_linuxEOL7.0 | 8.0 | 9.0
Mozilla3 products
Canonical1 product
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
Show all 21 references