Mozilla: Memory corruption in parent process during new content process initialization on Windows
Published Jan 8, 2020
8.8
HIGHCVSS 3.1
EPSS 1.81%
Description
During the initialization of a new content process, a pointer offset can be manipulated leading to memory corruption and a potentially exploitable crash in the parent process. *Note: this issue only occurs on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
Affected products
-
- Version before 72StatusaffectedConstraints-
- Version
-
- Version before 68.4StatusaffectedConstraints-
- 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 |
|
No data.
Red Hat Enterprise Linux 5
firefox
Not affected
Red Hat Enterprise Linux 5
thunderbird
Not affected
Red Hat Enterprise Linux 6
firefox
Not affected
Red Hat Enterprise Linux 6
thunderbird
Not affected
Red Hat Enterprise Linux 7
firefox
Not affected
Red Hat Enterprise Linux 7
thunderbird
Not affected
Red Hat Enterprise Linux 8
firefox
Not affected
Red Hat Enterprise Linux 8
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 5 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 6 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 6 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 7 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 7 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 8 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 8 | thunderbird | Not affected | 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:L/PR:N/UI:R/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/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 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.81% (0.01806) | 77.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.81% (0.01814) | 75.79th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.73% (0.00734) | 70.45th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.33% (0.02330) | 74.69th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.73% (0.00734) | 71.07th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.23% (0.01233) | 86.03th | v3 (v2023.03.01) |
| May 3, 2024 | 1.23% (0.01233) | 85.32th | v3 (v2023.03.01) |
| Dec 15, 2023 | 1.25% (0.01249) | 83.97th | v3 (v2023.03.01) |
| Nov 29, 2023 | 1.10% (0.01096) | 82.75th | v3 (v2023.03.01) |
| Nov 12, 2023 | 0.81% (0.00806) | 79.71th | v3 (v2023.03.01) |
| Oct 28, 2023 | 0.59% (0.00587) | 75.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.49% (0.00491) | 72.43th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 10.85% (0.10850) | 87.79th | v2 (v2022.01.01) |
| Feb 3, 2022 | 41.39% (0.41390) | 98.26th | v1 |
| Jan 6, 2022 | 41.39% (0.41390) | 98.24th | v1 |
| Sep 1, 2021 | 13.60% (0.13599) | 96.03th | v1 |
| Apr 14, 2021 | 13.60% (0.13599) | 0.00th | v1 |
References (12)
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html vendor-advisoryx_refsource_SUSE
- http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html x_refsource_MISC
- https://access.redhat.com/security/cve/CVE-2019-17015 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1599005 x_refsource_MISCPermissions Required
- https://bugzilla.redhat.com/show_bug.cgi?id=1788722 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2019-17015
- https://seclists.org/bugtraq/2020/Jan/18 mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-17015
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-02/#CVE-2019-17015
- https://www.mozilla.org/security/advisories/mfsa2020-01/ x_refsource_CONFIRMVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-02/ x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.