Mozilla: Use-after-free of PressShell while restyling layout (MFSA 2017-25)
Published Jun 11, 2018
9.8
CRITICALCVSS 3.0
EPSS 7.34%
Description
A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<57
- Version
-
- Version unspecifiedStatusaffectedConstraints<52.5
- Version
-
- Version unspecifiedStatusaffectedConstraints<52.5
- 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
- 7.0
- 8.0
- 9.0
Configuration 2
- 6.0
- 7.0
- 6.0
- 7.0
- 7.4
- 7.4
- 7.5
- 6.0
- 7.0
Configuration 5
- < 52.5.0
No data.
Red Hat Enterprise Linux 6
firefox-0:52.5.0-1.el6_9
Fixed · RHSA-2017:3247
Red Hat Enterprise Linux 6
thunderbird-0:52.5.0-1.el6_9
Fixed · RHSA-2017:3372
Red Hat Enterprise Linux 7
firefox-0:52.5.0-1.el7_4
Fixed · RHSA-2017:3247
Red Hat Enterprise Linux 7
thunderbird-0:52.5.0-1.el7_4
Fixed · RHSA-2017:3372
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | firefox-0:52.5.0-1.el6_9 | Fixed | RHSA-2017:3247 |
| Red Hat Enterprise Linux 6 | thunderbird-0:52.5.0-1.el6_9 | Fixed | RHSA-2017:3372 |
| Red Hat Enterprise Linux 7 | firefox-0:52.5.0-1.el7_4 | Fixed | RHSA-2017:3247 |
| Red Hat Enterprise Linux 7 | thunderbird-0:52.5.0-1.el7_4 | Fixed | RHSA-2017:3372 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/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 (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.34% (0.07345) | 94.21th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.50% (0.07500) | 93.68th | v5 (v2026.06.15) |
| Dec 26, 2025 | 28.90% (0.28905) | 96.39th | v4 (v2025.03.14) |
| Sep 8, 2025 | 29.91% (0.29907) | 96.50th | v4 (v2025.03.14) |
| Mar 30, 2025 | 35.01% (0.35009) | 96.69th | v4 (v2025.03.14) |
| Mar 29, 2025 | 53.62% (0.53622) | 97.07th | v4 (v2025.03.14) |
| Mar 17, 2025 | 35.41% (0.35409) | 96.69th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.40% (0.00398) | 74.40th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.39% (0.00393) | 72.69th | v3 (v2023.03.01) |
| Jan 5, 2024 | 0.39% (0.00393) | 70.62th | v3 (v2023.03.01) |
| Dec 12, 2023 | 0.50% (0.00501) | 73.65th | v3 (v2023.03.01) |
| Nov 2, 2023 | 0.54% (0.00541) | 74.77th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.73% (0.00725) | 78.11th | v3 (v2023.03.01) |
| Jun 5, 2023 | 0.70% (0.00699) | 77.46th | v3 (v2023.03.01) |
| May 8, 2023 | 0.55% (0.00554) | 74.18th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.57% (0.00574) | 74.60th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.08% (0.03080) | 65.20th | v1 |
| Jan 6, 2022 | 3.08% (0.03080) | 64.86th | v1 |
| Sep 1, 2021 | 3.08% (0.03080) | 81.27th | v1 |
| Apr 14, 2021 | 3.08% (0.03080) | 0.00th | v1 |
References (19)
- http://www.securityfocus.com/bid/101832 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039803 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:3247 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3372 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-7828 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1406750 x_refsource_CONFIRMIssue TrackingPermissions RequiredThird Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1412252 x_refsource_CONFIRMIssue TrackingPermissions RequiredThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1513310 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2017/11/msg00018.html mailing-listx_refsource_MLISTThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00001.html mailing-listx_refsource_MLISTThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-7828
- https://www.cve.org/CVERecord?id=CVE-2017-7828
- https://www.debian.org/security/2017/dsa-4035 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.debian.org/security/2017/dsa-4061 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.debian.org/security/2017/dsa-4075 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-25/#CVE-2017-7828
- https://www.mozilla.org/security/advisories/mfsa2017-24/ x_refsource_CONFIRMVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-25/ x_refsource_CONFIRMVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-26/ x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.