CVE-2019-17008

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
Mozilla	Thunderbird	before 68.3
Mozilla	Firefox ESR	before 68.3
Mozilla	Firefox	before 71

References

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.htmlMailing List, Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0292
https://access.redhat.com/errata/RHSA-2020:0295
https://bugzilla.mozilla.org/show_bug.cgi?id=1546331Permissions Required
https://security.gentoo.org/glsa/202003-02
https://security.gentoo.org/glsa/202003-10
https://usn.ubuntu.com/4241-1/
https://usn.ubuntu.com/4335-1/
https://www.mozilla.org/security/advisories/mfsa2019-36/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-37/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-38/Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.htmlMailing List, Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0292
https://access.redhat.com/errata/RHSA-2020:0295
https://bugzilla.mozilla.org/show_bug.cgi?id=1546331Permissions Required
https://security.gentoo.org/glsa/202003-02
https://security.gentoo.org/glsa/202003-10
https://usn.ubuntu.com/4241-1/
https://usn.ubuntu.com/4335-1/
https://www.mozilla.org/security/advisories/mfsa2019-36/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-37/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-38/Vendor Advisory

Timeline

Published: Jan 8, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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