libsoup HTTP/2 pseudo-header validation flaw allows DoS
CVE-2025-32908 Published on April 14, 2025

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).

Vendor Advisory NVD

Vulnerability Analysis

CVE-2025-32908 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Weakness Type

Misinterpretation of Input

The software misinterprets an input, whether from an attacker or another product, in a security-relevant fashion.


Products Associated with CVE-2025-32908

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Exploit Probability

EPSS
0.10%
Percentile
27.30%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.