ALPINE-CVE-2026-5773

Source
https://security.alpinelinux.org/vuln/CVE-2026-5773
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-5773.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-5773
Upstream
  • CVE-2026-5773
Published
2026-05-13T13:01:56.307Z
Modified
2026-06-15T18:18:11.277405356Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

libcurl might in some circumstances reuse the wrong connection for SMB(S) transfers.

libcurl features a pool of recent connections so that subsequent requests can reuse an existing connection to avoid overhead.

When reusing a connection a range of criteria must be met. Due to a logical error in the code, a network transfer operation that was requested by an application could wrongfully reuse an existing SMB connection to the same server that was using a different 'share' than the new subsequent transfer should.

This could in unlucky situations lead to the download of the wrong file or the upload of a file to the wrong place. When this happens, the same credentials are used and the server name is the same.

References

Affected packages

Alpine:v3.24 / curl

Package

Name
curl
Purl
pkg:apk/alpine/curl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.20.0-r0

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-5773.json"