CVE-2020-15652

MEDIUM

Firefox < 79.0 and Firefox ESR < 68.11 - Origin Validation Error via JavaScript Worker Stack Trace

Title source: llm
STIX 2.1

Description

By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script. This vulnerability affects Firefox < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 68.11, and Thunderbird < 78.1.

References (10)

Core 10
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=1634872
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00022.html
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4443-1/

Scores

CVSS v3 6.5
EPSS 0.0106
EPSS Percentile 77.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

CWE
CWE-346
Status published
Products (6)
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 20.04
mozilla/firefox < 79.0
mozilla/firefox_esr < 68.11
mozilla/thunderbird < 68.11
Published Aug 10, 2020
Tracked Since Feb 18, 2026