6.5

CVE-2018-18497: canonical ubuntu_linux

CVSS: 6.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-18497
Published 28-02-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-18497 is a medium (CVSS 6.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 1.65% chance of exploitation in the next 30 days, higher than 76.1% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.0 (NVD)
EPSS score
1.65%
0%100%
Low · +0.23 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:14572-1USN-3844-1

Timeline

  1. 28-02-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to open privileged about: or file: locations. This vulnerability affects Firefox < 64.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.65%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

+0.23 pp

From 1.42% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.65%

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

No weakness data has been published for this record.

Affected systems

Canonical1 product
Mozilla1 product
  • firefox≥ unspecified, < 64 | < 64.0
Ubuntu1 product
  • firefox< 64.0+build3-0ubuntu0.14.04.1 | < 64.0+build3-0ubuntu0.16.04.1 | < 64.0+build3-0ubuntu0.18.04.1

3 vendors · 3 products

References

8 links