Detections
Analytics

CVE-2019-17008

high

Description

When using nested workers, a use-after-free could occur during worker destruction. This resulted in a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

References

https://usn.ubuntu.com/4335-1/

https://usn.ubuntu.com/4241-1/

https://security.gentoo.org/glsa/202003-10

https://security.gentoo.org/glsa/202003-02

https://access.redhat.com/errata/RHSA-2020:0295

https://access.redhat.com/errata/RHSA-2020:0292

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.html

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html

https://www.mozilla.org/security/advisories/mfsa2019-38/

https://www.mozilla.org/security/advisories/mfsa2019-37/

https://www.mozilla.org/security/advisories/mfsa2019-36/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-7482

https://bugzilla.mozilla.org/show_bug.cgi?id=1546331

Details

Source: Mitre, NVD

Published: 2020-01-08

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00854