CVE record · CVE-2025-4948

Libsoup: integer underflow in soup_multipart_new_from_message() leading to denial of service in libsoup

CVSS 7.5 HighEPSS 0.0081 · 57th percentile

Published by the CVE Program (CNA: redhat) at 19 May 2025, 15:55 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Not given	Not given Package name: libsoup https://gitlab.gnome.org/GNOME/libsoup	affected 3.6.5 and earlier semver Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 10 Package name: libsoup3 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.6.5-3.el10_0.6 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support Package name: libsoup https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.62.2-9.el7_9 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: libsoup https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.62.3-9.el8_10 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: libsoup https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.62.3-9.el8_10 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.2 Advanced Update Support Package name: libsoup https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.62.3-1.el8_2.5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Package name: libsoup https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.62.3-2.el8_4.5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Package name: libsoup https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.62.3-2.el8_6.5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Telecommunications Update Service Package name: libsoup https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.62.3-2.el8_6.5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Package name: libsoup https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.62.3-2.el8_6.5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.8 Extended Update Support Package name: libsoup https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.62.3-3.el8_8.5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: libsoup https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.72.0-10.el9_6.2 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Package name: libsoup https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.72.0-8.el9_0.5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.2 Extended Update Support Package name: libsoup https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.72.0-8.el9_2.5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support Package name: libsoup https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.72.0-8.el9_4.5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 6 Package name: libsoup https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unknown

Identifiers: CVE-2025-4948
CNA: redhat
Weakness (CWE): CWE-191
Tags: Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 7 Extended Lifecycle Support
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 8.2 Advanced Update Support
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Memory corruption
Published: 19 May 2025
Updated: 4 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.5	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0081, the 57th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

19 May 2025, 15:55 UTC Confirmed by the CVE List
19 May 2025, 16:15 UTC Confirmed by NVD

Sources

References from the CNA

access.redhat.com/errata/RHSA-2025:21657 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:8126 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:8128 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:8132 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:8139 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:8140 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:8252 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:8480 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:8481 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:8482 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:8663 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2025-4948 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2367183 issue-trackingredhat
gitlab.gnome.org/GNOME/libsoup/-/issues/449

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.