This page tracks the Alpine Linux fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-11856 →

ALPINE-CVE-2026-11856

Successfully using libcurl to do a transfer to a specific HTTP origin (`hostA`) with Digest authentication and then changing the origin to a diffe...

Original description

The description as published by the source.

Successfully using libcurl to do a transfer to a specific HTTP origin
(hostA) with Digest authentication and then changing the origin to a
different one (hostB) for a second transfer, reusing the same handle, makes
libcurl wrongly pass on the Authorization: header field meant for hostA,
to hostB.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Alpine:v3.23 curl

[{"type":"ECOSYSTEM","events":[{"introduced":"7.10.6"},{"fixed":"8.22.0-r0"}]}]

Alpine:v3.24 curl

[{"type":"ECOSYSTEM","events":[{"introduced":"7.10.6"},{"fixed":"8.21.0-r0"}]}]

References

advisory security.alpinelinux.org