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CVE-2025-46420

Libsoup: memory leak on soup_header_parse_quality_list() via soup-headers.c

Published: Apr 24, 2025Updated: Jul 28, 2025 Sources: CVE List NVD BDUCWE-401
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.5%
Top 63.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A flaw was found in libsoup. It is vulnerable to memory leaks in the soup_header_parse_quality_list() function when parsing a quality list that contains elements with all zeroes.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-401

Affected Products

Red Hat Enterprise Linux 8Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRed Hat
On-premOS
Operating Systems / linux-distro
red hatcommercialUSOperating Systemsaka red hat
and 28 more affected products View all →

Exploitability

Official Patch Available
Workaround Available

References

https://access.redhat.com/errata/RHSA-2025:4439
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:4440
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:4508
access.redhat.com
and 22 more references View all →

Timeline

Published
Apr 24, 2025
Last Updated
Jul 28, 2025

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