Log in Start free

Vulnerability · Published Apr 24, 2025 · Assigned by redhat

CVE-2025-46421Libsoup: information disclosure may leads libsoup client sends authorization header to a different host when being redirected by a server

Medium 6.8

In plain English

A medium-severity security flaw in libsoup. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.6%top 51.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8libsoup2.62.3-8.el8_10ALSA-2025:4560
AlmaLinux:9libsoup2.72.0-10.el9_6.1ALSA-2025:7436
AlmaLinux:8libsoup-devel2.62.3-8.el8_10ALSA-2025:4560
AlmaLinux:9libsoup-devel2.72.0-10.el9_6.1ALSA-2025:7436
AlmaLinux:10libsoup33.6.5-3.el10_0ALSA-2025:7505
AlmaLinux:10libsoup3-devel3.6.5-3.el10_0ALSA-2025:7505
AlmaLinux:10libsoup3-doc3.6.5-3.el10_0ALSA-2025:7505
Debian:12libsoup2.4no fix listedDEBIAN-CVE-2025-46421
Debian:13libsoup2.4no fix listedDEBIAN-CVE-2025-46421
Debian:12libsoup33.2.3-0+deb12u1DEBIAN-CVE-2025-46421
Debian:13libsoup33.6.5-1DEBIAN-CVE-2025-46421
Rocky Linux:8libsoup0:2.62.3-8.el8_10RLSA-2025:4560
Ubuntu:22.04:LTSlibsoup2.42.74.2-3ubuntu0.3UBUNTU-CVE-2025-46421
Ubuntu:22.04:LTSlibsoup2.42.74.2-3ubuntu0.3USN-7490-1
Ubuntu:24.04:LTSlibsoup2.42.74.3-6ubuntu1.3USN-7490-1
Ubuntu:24.04:LTSlibsoup2.42.74.3-6ubuntu1.3UBUNTU-CVE-2025-46421
Ubuntu:25.10libsoup2.42.74.3-10.1ubuntu1UBUNTU-CVE-2025-46421
Ubuntu:24.04:LTSlibsoup33.4.4-5ubuntu0.3UBUNTU-CVE-2025-46421
Ubuntu:24.04:LTSlibsoup33.4.4-5ubuntu0.3USN-7490-3

Affected products (as reported)

VendorProductVersions
libsoup 0 – before 3.6.5
Red Hat Red Hat Enterprise Linux 10 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support see references
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support see references
Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service see references
Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support see references
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service see references
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 6 see references
Red Hat Red Hat Enterprise Linux 7 see references

Weakness: CWE-497 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

References