CVE-2025-46420
Libsoup: memory leak on soup_header_parse_quality_list() via soup-headers.c
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-401 |
| Published | Apr 24, 2025 |
| Last Updated | Nov 18, 2025 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8.2 Advanced Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Telecommunications Update Service
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Telecommunications Update Service
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 8.8 Extended Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 9.2 Extended Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 9.4 Extended Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected References
access.redhat.com: 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: https://access.redhat.com/errata/RHSA-2025:4538 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:4560 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:4568 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:4609 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:4624 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:7436 access.redhat.com: https://access.redhat.com/security/cve/CVE-2025-46420 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2361963 gitlab.gnome.org: https://gitlab.gnome.org/GNOME/libsoup/-/issues/438