CVE-2019-17008

moderate-risk
Published 2020-01-08

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.

Do I need to act?

-
0.85% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Mozilla Opensuse

References (24)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.html
https://access.redhat.com/errata/RHSA-2020:0292
https://access.redhat.com/errata/RHSA-2020:0295
Permissions Required https://bugzilla.mozilla.org/show_bug.cgi?id=1546331
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/
Vendor Advisory 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/
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.html
https://access.redhat.com/errata/RHSA-2020:0292
https://access.redhat.com/errata/RHSA-2020:0295
Permissions Required https://bugzilla.mozilla.org/show_bug.cgi?id=1546331
https://security.gentoo.org/glsa/202003-02
https://security.gentoo.org/glsa/202003-10
https://usn.ubuntu.com/4241-1/
and 4 more references
43
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 3/34 · Minimal
Exposure 10/34 · Low