High [CVE-2025-32908] Libsoup: denial of service on libsoup through http/2 server
This high-severity Red Hat Linux advisory covers CVE-2025-32908 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat package: libsoup3.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published
Summary
A flaw was found in libsoup. The HTTP/2 server in libsoup may not fully validate the values of pseudo-headers:scheme,:authority, and:path, which may allow a user to cause a denial of service (DoS).
Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-115.
Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6. Will not fix / out of support: Red Hat Enterprise Linux 6.
Red Hat fixing advisory: RHSA-2025:7505.
Affected products named by the advisory: Red Hat package: libsoup3.
Is CVE-2025-32908 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2025-32908 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2025-32908?
Upgrade to a fixed release named by Red Hat:
- libsoup3-0:3.6.5-3.el10_0
- RHSA-2025:7505
Confirm against the vendor advisory before you patch.
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 6 days ago·verify at source
- libsoup3-0:3.6.5-3.el10_0
- RHSA-2025:7505
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
Mitigation checklist
- Currently, no mitigation was found for this vulnerability.
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
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