CVE & CISA-KEV Catalog

CVE-2025-32908

HIGH
7.5
CVSS v3
NVD

Description

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).

How to fix

Remediation Available
libsoup3Rocky
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
libsoup3Red Hat / RHEL
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
libsoup3-debuginfoRocky
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
libsoup3-debuginfoRed Hat / RHEL
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
libsoup3-debugsourceRed Hat / RHEL
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
libsoup3-debugsourceRocky
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
libsoup3-develRed Hat / RHEL
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
libsoup3-develRocky
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
libsoup3-docRed Hat / RHEL
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
libsoup3-docRocky
Fixed in:0:3.6.5-3.el10_0RHSA-2025:7505
libsoup-2.4-1Ubuntu
Fixed in:2.74.3-6ubuntu1.5USN-7543-1
libsoup-3.0-0Ubuntu
Fixed in:3.0.7-0ubuntu1+esm4USN-7543-1
Fixed in:3.4.4-5ubuntu0.4USN-7543-1
libsoup2.4Ubuntu
Fixed in:2.52.2-1ubuntu0.3+esm3USN-7543-1
Fixed in:2.62.1-1ubuntu0.4+esm4USN-7543-1
Fixed in:2.70.0-1ubuntu0.5USN-7543-1
Fixed in:2.74.2-3ubuntu0.5USN-7543-1
Fixed in:2.74.3-6ubuntu1.5USN-7543-1
libsoup2.4-1Ubuntu
Fixed in:2.52.2-1ubuntu0.3+esm3USN-7543-1
Fixed in:2.62.1-1ubuntu0.4+esm4USN-7543-1
Fixed in:2.70.0-1ubuntu0.5USN-7543-1
Fixed in:2.74.2-3ubuntu0.5USN-7543-1
libsoup3Ubuntu
Fixed in:3.0.7-0ubuntu1+esm4USN-7543-1
Fixed in:3.4.4-5ubuntu0.4USN-7543-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.57%probability of exploitation in 30 days
44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

Related Vulnerabilities

Other CWE-115 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-27846Critical9.84.9%-Fix
CVE-2018-12116High7.54.6%-Fix
CVE-2018-12123Medium4.34.0%-Fix
CVE-2018-7159Medium5.33.6%-Fix
CVE-2020-29509Medium5.62.1%-Fix
CVE-2020-29510Critical9.82.0%--

Common questions

How do I fix CVE-2025-32908?

Published advisories record a fix for 15 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2025-32908 being actively exploited?

Not that we know of. CVE-2025-32908 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.57% is the estimated probability that it will be exploited in the next 30 days. That is higher than 44% of all scored CVEs.

How severe is CVE-2025-32908?

CVE-2025-32908 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2025-32908 affect?

Published advisories record a fix for libsoup3 (Rocky), libsoup3 (Red Hat / RHEL), libsoup3-debuginfo (Rocky), libsoup3-debuginfo (Red Hat / RHEL), and 11 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-29.