CVE-2025-46420

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

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.

Remediation

Workaround:

  • Currently, no mitigation is available for this vulnerability.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.09%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support
Affected: Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Affected: Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service
Affected: Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
Affected: Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Affected: Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Affected: Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Affected: Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Affected: Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 10
Affected: Red Hat Red Hat Enterprise Linux 6
Affected: Red Hat Red Hat Enterprise Linux 7
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2025:4439 vendor advisory
https://access.redhat.com/errata/RHSA-2025:4440 vendor advisory
https://access.redhat.com/errata/RHSA-2025:4508 vendor advisory
https://access.redhat.com/errata/RHSA-2025:4538 vendor advisory
https://access.redhat.com/errata/RHSA-2025:4560 vendor advisory
https://access.redhat.com/errata/RHSA-2025:4568 vendor advisory
https://access.redhat.com/errata/RHSA-2025:4609 vendor advisory
https://access.redhat.com/errata/RHSA-2025:4624 vendor advisory
https://access.redhat.com/errata/RHSA-2025:7436 vendor advisory
https://access.redhat.com/security/cve/CVE-2025-46420 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2361963 issue tracking

Frequently Asked Questions

What is the severity of CVE-2025-46420?
CVE-2025-46420 has been scored as a medium severity vulnerability.
How to fix CVE-2025-46420?
As a workaround for remediating CVE-2025-46420: Currently, no mitigation is available for this vulnerability.
Is CVE-2025-46420 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-46420 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-46420?
CVE-2025-46420 affects Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service, Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service, Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions, Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support, Red Hat Red Hat Enterprise Linux 10, Red Hat Red Hat Enterprise Linux 6, Red Hat Red Hat Enterprise Linux 7.
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