CVE-2020-15652

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-15652

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-15652.html

OS impact

OSVersionStatusFixed in
arch archfixed79.0-1
suse slesaffected
debian debiansidfixed79.0-1
debian debianbookwormfixed68.11.0esr-1
debian debianbullseyefixed68.11.0esr-1
debian debianforkyfixed68.11.0esr-1
debian debiantrixiefixed68.11.0esr-1

References

Verify integrity in audit chain (admin only). AS-IS.