CVE-2025-46421

EUVD-2025-12111
A flaw was found in libsoup. When libsoup clients encounter an HTTP redirect, they mistakenly send the HTTP Authorization header to the new host that the redirection points to. This allows the new host to impersonate the user to the original host that issued the redirect.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.8 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
redhatCNA
6.8 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 67%
Debian logo
Debian Releases
Debian Product
Codename
libsoup2.4
bookworm
no-dsa
bullseye
vulnerable
bullseye (security)
vulnerable
trixie
no-dsa
libsoup3
bookworm
3.2.3-0+deb12u2
no-dsa
forky
3.6.6-1
fixed
sid
3.6.6-1
fixed
trixie
3.6.5-3
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libsoup3
focal
dne
jammy
Fixed 3.0.7-0ubuntu1+esm3
released
noble
Fixed 3.4.4-5ubuntu0.3
released
oracular
Fixed 3.6.0-2ubuntu0.3
released
plucky
not-affected
questing
not-affected
libsoup2.4
bionic
Fixed 2.62.1-1ubuntu0.4+esm2
released
focal
Fixed 2.70.0-1ubuntu0.3
released
jammy
Fixed 2.74.2-3ubuntu0.3
released
noble
Fixed 2.74.3-6ubuntu1.3
released
oracular
Fixed 2.74.3-7ubuntu0.3
released
plucky
Fixed 2.74.3-10ubuntu0.1
released
questing
Fixed 2.74.3-10.1ubuntu1
released
xenial
Fixed 2.52.2-1ubuntu0.3+esm1
released