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

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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-2020-29509Critical9.82.1%-Fix
CVE-2020-29510Critical9.82.0%--
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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.