Weak proxy objects have weak references on multiple threads when they should only have them on one, resulting in incorrect memory usage and corruption, which leads to potentially exploitable crashes
Published Jun 11, 2018
9.8
CRITICALCVSS 3.0
EPSS 1.77%
Description
Weak proxy objects have weak references on multiple threads when they should only have them on one, resulting in incorrect memory usage and corruption, which leads to potentially exploitable crashes. Note: This issue only affects Firefox for Android. Other operating systems are not affected. This vulnerability affects Firefox < 51.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<51
- 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: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 (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.77% (0.01770) | 77.32th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.79% (0.01793) | 75.48th | v5 (v2026.06.15) |
| Dec 26, 2025 | 1.85% (0.01847) | 82.54th | v4 (v2025.03.14) |
| Jun 29, 2025 | 2.91% (0.02909) | 85.77th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.95% (0.03951) | 87.28th | v4 (v2025.03.14) |
| Mar 29, 2025 | 7.02% (0.07023) | 85.47th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.03% (0.04025) | 87.71th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.80% (0.00804) | 81.89th | v3 (v2023.03.01) |
| Jun 7, 2024 | 0.80% (0.00804) | 81.72th | v3 (v2023.03.01) |
| Dec 12, 2023 | 0.80% (0.00804) | 79.71th | v3 (v2023.03.01) |
| Nov 2, 2023 | 0.87% (0.00869) | 80.55th | v3 (v2023.03.01) |
| Jul 10, 2023 | 0.98% (0.00979) | 81.32th | v3 (v2023.03.01) |
| Jun 5, 2023 | 0.99% (0.00986) | 81.32th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.00% (0.01005) | 81.34th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.43% (0.00430) | 10.10th | v1 |
| Jan 6, 2022 | 0.43% (0.00430) | 9.85th | v1 |
| Sep 1, 2021 | 0.43% (0.00430) | 25.64th | v1 |
| Apr 14, 2021 | 0.43% (0.00430) | 0.00th | v1 |
References (4)
- http://www.securityfocus.com/bid/95763 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037693 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1293709 x_refsource_CONFIRMIssue TrackingVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-01/ x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/95763 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1037693 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1293709 | x_refsource_CONFIRMIssue TrackingVendor Advisory | |
| https://www.mozilla.org/security/advisories/mfsa2017-01/ | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.