Vulnerability in Red Hat Enterprise Linux 10
CVE-2025-46421
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.006 (45.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.000
Affected products
- Red Hat Enterprise Linux 10 — versions 0:3.6.5-3.el10_0
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8 — versions 0:2.62.3-8.el8_10
- Red Hat Enterprise Linux 8.2 Advanced Update Support — versions 0:2.62.3-1.el8_2.4
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support — versions 0:2.62.3-2.el8_4.4
- Red Hat Enterprise Linux 8.4 Telecommunications Update Service — versions 0:2.62.3-2.el8_4.4
- Red Hat Enterprise Linux 8.4 Update Services For SAP Solutions — versions 0:2.62.3-2.el8_4.4
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support — versions 0:2.62.3-2.el8_6.4
- Red Hat Enterprise Linux 8.6 Telecommunications Update Service — versions 0:2.62.3-2.el8_6.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- RHSA-2025:4439 (vendor-advisory)
- RHSA-2025:4440 (vendor-advisory)
- RHSA-2025:4508 (vendor-advisory)
- RHSA-2025:4538 (vendor-advisory)
- RHSA-2025:4560 (vendor-advisory)
- RHSA-2025:4568 (vendor-advisory)
- RHSA-2025:4609 (vendor-advisory)
- RHSA-2025:4624 (vendor-advisory)
- RHSA-2025:7436 (vendor-advisory)
- RHSA-2025:7505 (vendor-advisory)
Frequently asked questions
- What is CVE-2025-46421?
- CVE-2025-46421 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Exposure of Sensitive System Information to an Unauthorized Control Sphere. CVSS score: 6.8/10. Published 2025-04-24.
- How severe is CVE-2025-46421?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2025-46421 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.