Mozilla: Use-after-free when performing device orientation checks
Published Jan 8, 2020
7.5
HIGHCVSS 3.1
EPSS 1.75%
Description
Under certain conditions, when checking the Resist Fingerprinting preference during device orientation checks, a race condition could have caused a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
Affected products
-
- Version before 71StatusaffectedConstraints-
- Version
-
- Version before 68.3StatusaffectedConstraints-
- Version
-
- Version before 68.3StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox | n/a |
| ||||||
| Mozilla | Firefox ESR | n/a |
| ||||||
| Mozilla | Thunderbird | n/a |
|
Configuration 1
- < 71.0
- < 68.3
- < 68.3
Configuration 3
- 16.04
- 18.04
- 19.10
No data.
Red Hat Enterprise Linux 6
firefox-0:68.3.0-1.el6_10
Fixed · RHSA-2019:4108
Red Hat Enterprise Linux 6
thunderbird-0:68.3.0-3.el6_10
Fixed · RHSA-2019:4205
Red Hat Enterprise Linux 7
firefox-0:68.3.0-1.el7_7
Fixed · RHSA-2019:4107
Red Hat Enterprise Linux 7
thunderbird-0:68.3.0-1.el7_7
Fixed · RHSA-2019:4148
Red Hat Enterprise Linux 8
firefox-0:68.3.0-1.el8_1
Fixed · RHSA-2019:4111
Red Hat Enterprise Linux 8
thunderbird-0:68.3.0-2.el8_1
Fixed · RHSA-2019:4195
Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions
firefox-0:68.4.1-1.el8_0
Fixed · RHSA-2020:0295
Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions
thunderbird-0:68.4.1-2.el8_0
Fixed · RHSA-2020:0292
Red Hat Enterprise Linux 5
firefox
Out of support scope
Red Hat Enterprise Linux 5
thunderbird
Out of support scope
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | firefox-0:68.3.0-1.el6_10 | Fixed | RHSA-2019:4108 |
| Red Hat Enterprise Linux 6 | thunderbird-0:68.3.0-3.el6_10 | Fixed | RHSA-2019:4205 |
| Red Hat Enterprise Linux 7 | firefox-0:68.3.0-1.el7_7 | Fixed | RHSA-2019:4107 |
| Red Hat Enterprise Linux 7 | thunderbird-0:68.3.0-1.el7_7 | Fixed | RHSA-2019:4148 |
| Red Hat Enterprise Linux 8 | firefox-0:68.3.0-1.el8_1 | Fixed | RHSA-2019:4111 |
| Red Hat Enterprise Linux 8 | thunderbird-0:68.3.0-2.el8_1 | Fixed | RHSA-2019:4195 |
| Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions | firefox-0:68.4.1-1.el8_0 | Fixed | RHSA-2020:0295 |
| Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions | thunderbird-0:68.4.1-2.el8_0 | Fixed | RHSA-2020:0292 |
| Red Hat Enterprise Linux 5 | firefox | Out of support scope | n/a |
| Red Hat Enterprise Linux 5 | thunderbird | Out of support scope | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:H/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.75% (0.01755) | 77.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.57% (0.01566) | 72.01th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.97% (0.00972) | 74.61th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.20% (0.02196) | 73.96th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.97% (0.00972) | 75.08th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.04% (0.01039) | 84.61th | v3 (v2023.03.01) |
| May 3, 2024 | 1.04% (0.01039) | 83.83th | v3 (v2023.03.01) |
| Dec 15, 2023 | 1.05% (0.01053) | 82.33th | v3 (v2023.03.01) |
| Nov 29, 2023 | 0.92% (0.00923) | 81.15th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.96% (0.00961) | 80.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 34.69% (0.34685) | 96.74th | v2 (v2022.01.01) |
| Feb 3, 2022 | 10.99% (0.10990) | 88.00th | v1 |
| Jan 6, 2022 | 10.99% (0.10990) | 87.86th | v1 |
| Jan 5, 2022 | 2.68% (0.02678) | 79.99th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.68% (0.02678) | 0.00th | v1 |
References (17)
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0292 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0295 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2019-17010 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1581084 x_refsource_MISCExploitIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1779434 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2019-17010
- https://security.gentoo.org/glsa/202003-02 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://security.gentoo.org/glsa/202003-10 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://usn.ubuntu.com/4241-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/4335-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-17010
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-37/#CVE-2019-17010
- https://www.mozilla.org/security/advisories/mfsa2019-36/ x_refsource_CONFIRMVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-37/ x_refsource_CONFIRMVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-38/ x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.