Public vulnerability disclosure
CVE-2025-46421
Libsoup: information disclosure may leads libsoup client sends authorization header to a different host when being redirected by a server
publishedCWE-497
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.
Technical severity6.8 mediumCVSS 3.1 · CNA: redhat
Published2025-04-24Source updated 2026-11-05
Collected2026-11-052 attributed sources
Fixes and workarounds
Workaround
Currently, no mitigation is available for this vulnerability.
Source: CNA: redhatAffected products and versions
| Product | Versions | Authority |
|---|---|---|
libsoup
https://gitlab.gnome.org/GNOME/libsoup |
≥ 0; < 3.6.5 (affected, semver)
Other versions: unaffected |
CNA: redhat |
| Red Hat Enterprise Linux 10 Red Hat libsoup3
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:3.6.5-3.el10_0; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8 Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-8.el8_10; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.2 Advanced Update Support Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-1.el8_2.4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-2.el8_4.4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.4 Telecommunications Update Service Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-2.el8_4.4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-2.el8_4.4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-2.el8_6.4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-2.el8_6.4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-2.el8_6.4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.8 Extended Update Support Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-3.el8_8.4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9 Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.72.0-10.el9_6.1; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.72.0-8.el9_0.4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.72.0-8.el9_2.4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9.4 Extended Update Support Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.72.0-8.el9_4.4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 6 Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: unknown |
CNA: redhat |
| Red Hat Enterprise Linux 7 Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: unknown |
CNA: redhat |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 6.8 medium |
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N | CNA: redhat |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://access.redhat.com/errata/RHSA-2025:4439CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:4440CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:4508CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:4538CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:4560CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:4568CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:4609CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:4624CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:7436CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:7505CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-46421CNA: redhat · vdb-entry, x_refsource_REDHAT
- https://bugzilla.redhat.com/show_bug.cgi?id=2361962CNA: redhat · issue-tracking, x_refsource_REDHAT
- https://gitlab.gnome.org/GNOME/libsoup/-/issues/439CNA: redhat
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