5.3

CVE-2019-9817: mozilla firefox Origin Validation Error

CVSS: 5.3v3.0MediumModified
AliasesUBUNTU-CVE-2019-9817DEBIAN-CVE-2019-9817
Published 23-07-2019Last modified 04-08-2024

Vulnerability summary

CVE-2019-9817 is a medium (CVSS 5.3) Origin Validation Error vulnerability in mozilla firefox. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 55.9% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.0 (NVD)
EPSS score
0.80%
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 22 · Related 10

Timeline

  1. 23-07-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Images from a different domain can be read using a canvas object in some circumstances. This could be used to steal image data from a different site in violation of same-origin policy. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.80%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

0.00 pp

From 0.80% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.80%

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

Ubuntu4 products
  • firefox< 67.0+build2-0ubuntu0.16.04.1 | < 67.0+build2-0ubuntu0.18.04.1
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • thunderbird< 1:60.7.0+build1-0ubuntu0.16.04.1 | < 1:60.7.0+build1-0ubuntu0.18.04.1
Mozilla3 products
Debian2 products
  • firefox-esr< 60.7.0esr-1
  • thunderbird< 1:60.7.0-1

3 vendors · 9 products

References

11 links
Show all 11 references