This issue was addresses by updating incorrect URLSession file descriptors management logic to match Swift 5.0
Published Oct 27, 2020
5.5
MEDIUMCVSS 3.1
EPSS 0.35%
Description
This issue was addresses by updating incorrect URLSession file descriptors management logic to match Swift 5.0. This issue is fixed in Swift 5.1.1 for Ubuntu. Incorrect management of file descriptors in URLSession could lead to inadvertent data disclosure.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<5.1
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Apple | Swift for Ubuntu | 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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:P/I:N/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 3, 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 (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.35% (0.00352) | 26.55th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.35% (0.00352) | 28.88th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.06% (0.00061) | 0.14th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.06% (0.00061) | 0.00th | v1 |
References (1)
- https://support.apple.com/en-us/HT210647 x_refsource_MISCRelease NotesVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://support.apple.com/en-us/HT210647 | x_refsource_MISCRelease NotesVendor Advisory |
Change history (0)
No recorded changes yet.