When the Mozilla Updater is run, if the Updater's log file in the working directory points to a hardlink, data can be appended to an arbitrary local file
Published Jun 11, 2018
5.5
MEDIUMCVSS 3.0
EPSS 0.34%
Description
When the Mozilla Updater is run, if the Updater's log file in the working directory points to a hardlink, data can be appended to an arbitrary local file. This vulnerability requires local system access. Note: this issue only affects Windows operating systems. This vulnerability affects Firefox ESR < 45.5 and Firefox < 50.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<50
- Version
-
- Version unspecifiedStatusaffectedConstraints<45.5
- 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 |
|
No data.
No Red Hat product state for this CVE.
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:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
AV:L/AC:L/Au:N/C:N/I:P/A:N
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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.34% (0.00336) | 24.57th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.34% (0.00336) | 25.16th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.11% (0.00106) | 26.35th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00058) | 26.66th | v3 (v2023.03.01) |
| Jun 10, 2024 | 0.06% (0.00058) | 24.65th | v3 (v2023.03.01) |
| Jun 5, 2023 | 0.06% (0.00058) | 22.64th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00046) | 14.00th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
References (6)
- http://www.securityfocus.com/bid/94336 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037298 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1246945 x_refsource_CONFIRMIssue Tracking
- https://security.gentoo.org/glsa/201701-15 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2016-89/ x_refsource_CONFIRMVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2016-90/ x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/94336 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1037298 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1246945 | x_refsource_CONFIRMIssue Tracking | |
| https://security.gentoo.org/glsa/201701-15 | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| https://www.mozilla.org/security/advisories/mfsa2016-89/ | x_refsource_CONFIRMVendor Advisory | |
| https://www.mozilla.org/security/advisories/mfsa2016-90/ | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.