CVE-2019-11762: canonical ubuntu_linux Origin Validation Error

Modified

AliasesUBUNTU-CVE-2019-11762DEBIAN-CVE-2019-11762ALPINE-CVE-2019-11762

Published 08-01-2020Last modified 04-08-2024

Vulnerability summary

CVE-2019-11762 is a medium (CVSS 6.1) Origin Validation Error vulnerability in canonical ubuntu_linux. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 49.1% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 6.1, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

6.1/10

010

Medium · v3.1 (NVD)

EPSS score

0.61%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Timeline

08-01-2020
PublishedVulnerability first disclosed.
04-08-2024
Last modifiedVulnerability information updated.

Description

If two same-origin documents set document.domain differently to become cross-origin, it was possible for them to call arbitrary DOM methods/getters/setters on the now-cross-origin window. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

CVSS metrics

5 scores · 4 sources · 2 versions

v3.16.1v2.05.8

EPSS trend

Probability

0.61%

Chance of exploitation in the next 30 days

Percentile

49%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.61% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-346Origin Validation ErrorThe product does not properly verify that the source of data or communication is valid.

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu4 products

firefox< 70.0+build2-0ubuntu0.16.04.1 | < 70.0+build2-0ubuntu0.18.04.1 | < 70.0+build2-0ubuntu1
mozjs38All versions (No fix recorded)
mozjs52All versions (No fix recorded)
thunderbird< 1:68.7.0+build1-0ubuntu0.16.04.2 | < 1:68.2.1+build1-0ubuntu0.18.04.1

Alpine3 products