CVE-2019-8790

MEDIUM
5.5
CVSS Score
Published: October 27, 2020 at 07:49 PM UTC
Updated: June 17, 2026 at 02:42 AM UTC
1 product affected across 1 vendorSwift

Using Swift for Ubuntu by Apple?

Get instant alerts when new vulnerabilities affect Swift for Ubuntu - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.1v < 5.1.1
Affected range stops below 5.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.1.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT210647

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-922

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card