firefox: Use-after-free in compositor potentially allows code execution
Published Jun 11, 2018
9.8
CRITICALCVSS 3.0
EPSS 2.97%
Description
A use-after-free vulnerability can occur in the compositor during certain graphics operations when a raw pointer is used instead of a reference counted one. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.7.3 and Firefox < 59.0.2.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<59.0.2
- Version
-
- Version unspecifiedStatusaffectedConstraints<52.7.3
- 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 |
|
Configuration 1
- 7.0
- 8.0
- 9.0
Configuration 2
- 6.0
- 7.0
- 6.0
- 7.0
- 7.5
- 6.0
- 7.0
Configuration 5
- 14.04
- 16.04
- 17.10
No data.
Red Hat Enterprise Linux 6
firefox-0:52.7.3-1.el6_9
Fixed · RHSA-2018:1098
Red Hat Enterprise Linux 7
firefox-0:52.7.3-1.el7_5
Fixed · RHSA-2018:1099
Red Hat Enterprise Linux 5
firefox
Will not fix
Red Hat Enterprise Linux 8
firefox
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | firefox-0:52.7.3-1.el6_9 | Fixed | RHSA-2018:1098 |
| Red Hat Enterprise Linux 7 | firefox-0:52.7.3-1.el7_5 | Fixed | RHSA-2018:1099 |
| Red Hat Enterprise Linux 5 | firefox | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | firefox | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
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 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 1, 2026 | 2.97% (0.02975) | 86.78th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.01% (0.03013) | 85.64th | v5 (v2026.06.15) |
| Aug 20, 2025 | 1.91% (0.01914) | 82.55th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.78% (0.04785) | 88.45th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.13% (0.09132) | 87.66th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.09% (0.04094) | 87.82th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.46% (0.00464) | 76.25th | v3 (v2023.03.01) |
| Feb 27, 2024 | 0.46% (0.00458) | 74.64th | v3 (v2023.03.01) |
| Jan 5, 2024 | 0.46% (0.00458) | 72.64th | v3 (v2023.03.01) |
| Dec 12, 2023 | 0.58% (0.00583) | 75.65th | v3 (v2023.03.01) |
| Nov 2, 2023 | 0.89% (0.00892) | 80.86th | v3 (v2023.03.01) |
| Sep 3, 2023 | 1.23% (0.01229) | 83.68th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.96% (0.00964) | 80.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.07% (0.02069) | 50.36th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.07% (0.02069) | 0.00th | v1 |
References (14)
- http://www.securityfocus.com/bid/103506 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040574 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:1098 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1099 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-5148 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1440717 x_refsource_CONFIRMIssue TrackingPermissions RequiredThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1560928 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2018/03/msg00023.html mailing-listx_refsource_MLISTThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-5148
- https://usn.ubuntu.com/3609-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-5148
- https://www.debian.org/security/2018/dsa-4153 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-10/
- https://www.mozilla.org/security/advisories/mfsa2018-10/ x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.