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Advisory severityMedium6.8Red Hat Linux

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

This medium-severity Red Hat Linux advisory covers CVE-2025-46421 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2025-46421 Source published Source updated

VulniPulse record published

CVE-2025-46421
Affected products & platforms
Red Hat LinuxRed Hat Enterprise Linux
Open source advisory

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Summary

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. Red Hat severity: Moderate — CVSS 6.8 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N).

Weakness: CWE-497.

Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Telecommunications Update Service; Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.6 Telecommunications Update Service; Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions; Red Hat Enterprise Linux 8.8 Extended Update Support; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.2 Extended Update Support; Red Hat Enterprise Linux 9.4 Extended Update Support; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7.

Will not fix / out of support: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7.

Affected products named by the advisory: Red Hat package: libsoup3.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 19 days ago·verify at source

Fixed versions
  • libsoup3-0:3.6.5-3.el10_0
  • libsoup-0:2.62.3-8.el8_10
  • libsoup-0:2.62.3-1.el8_2.4
  • libsoup-0:2.62.3-2.el8_4.4
  • libsoup-0:2.62.3-2.el8_6.4
  • libsoup-0:2.62.3-3.el8_8.4
  • libsoup-0:2.72.0-10.el9_6.1
  • libsoup-0:2.72.0-8.el9_0.4
  • libsoup-0:2.72.0-8.el9_2.4
  • libsoup-0:2.72.0-8.el9_4.4
  • RHSA-2025:7505
  • RHSA-2025:4560
  • RHSA-2025:4538
  • RHSA-2025:4609
  • RHSA-2025:4624
  • RHSA-2025:4568
  • RHSA-2025:7436
  • RHSA-2025:4439
  • RHSA-2025:4508
  • RHSA-2025:4440

Official advisory · high-confidence parse· fetched 19 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Currently, no mitigation is available for this vulnerability.

Official advisory · high-confidence parse· fetched 19 days ago·verify at source

Discussion(0)

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