This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-9079 →
DEBIAN-CVE-2026-9079
libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the old credentials around to get u...
Original description
The description as published by the source.
libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the old credentials around to get used for subsequent transfers that should not know nor use them.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:13
curl
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14
curl
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.21.0~rc2-1"}]}]
References
- advisory security-tracker.debian.org