8.8

CVE-2019-17017: canonical ubuntu_linux Type Confusion

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2019-17017DEBIAN-CVE-2019-17017
Published 08-01-2020Last modified 05-08-2024

Vulnerability summary

CVE-2019-17017 is a high (CVSS 8.8) Type Confusion vulnerability in canonical ubuntu_linux. EPSS estimates a 2.49% chance of exploitation in the next 30 days, higher than 84.3% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
2.49%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 26 · Related 12

Timeline

  1. 08-01-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.49%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

0.00 pp

From 2.49% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.49%

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
Ubuntu4 products
  • firefox< 72.0.1+build1-0ubuntu0.16.04.1 | < 72.0.1+build1-0ubuntu0.18.04.1 | < 72.0.1+build1-0ubuntu1
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • thunderbird< 1:68.7.0+build1-0ubuntu0.16.04.2 | < 1:68.4.1+build1-0ubuntu0.18.04.1 | < 1:68.4.1+build1-0ubuntu1
Debian3 products
  • firefox-esr< 68.4.0esr-1
  • thunderbird< 1:68.4.1-1
  • debian_linuxEOL8.0 | 9.0 | 10.0
Mozilla2 products
Canonical1 product

5 vendors · 15 products

References

33 links
Show all 33 references