The "pingsender" executable used by the Firefox Health Report dynamically loads a system copy of libcurl, which an attacker could replace
Published Jun 11, 2018
7.8
HIGHCVSS 3.0
EPSS 0.34%
Description
The "pingsender" executable used by the Firefox Health Report dynamically loads a system copy of libcurl, which an attacker could replace. This allows for privilege escalation as the replaced libcurl code will run with Firefox's privileges. Note: This attack requires an attacker have local system access and only affects OS X and Linux. Windows systems are not affected. This vulnerability affects Firefox < 57.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<57
- Version
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:H/I:H/A:H
AV:L/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
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.34% (0.00335) | 24.48th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.34% (0.00335) | 26.96th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.06% (0.00059) | 25.56th | v3 (v2023.03.01) |
| Jun 11, 2024 | 0.06% (0.00059) | 24.93th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.06% (0.00059) | 22.91th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.15% (0.00153) | 0.57th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.15% (0.00153) | 0.00th | v1 |
References (4)
- 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://bugzilla.mozilla.org/show_bug.cgi?id=1401339 x_refsource_CONFIRMIssue TrackingPermissions Required
- https://www.mozilla.org/security/advisories/mfsa2017-24/ x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| 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://bugzilla.mozilla.org/show_bug.cgi?id=1401339 | x_refsource_CONFIRMIssue TrackingPermissions Required | |
| https://www.mozilla.org/security/advisories/mfsa2017-24/ | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.