Libsoup: memory leak on soup_header_parse_quality_list() via soup-headers.c
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.6%
exploitation probability
0.6%top 53% of all CVEs
observed exploitation
nono source reports it
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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected products
libsoupRed Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRed Hat · Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat · Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 8.8 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 9.2 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9.4 Extended Update SupportReferences
https://access.redhat.com/errata/RHSA-2025:4439https://access.redhat.com/errata/RHSA-2025:4440https://access.redhat.com/errata/RHSA-2025:4508https://access.redhat.com/errata/RHSA-2025:4538https://access.redhat.com/errata/RHSA-2025:4560https://access.redhat.com/errata/RHSA-2025:4568https://access.redhat.com/errata/RHSA-2025:4609https://access.redhat.com/errata/RHSA-2025:4624https://access.redhat.com/errata/RHSA-2025:7436https://access.redhat.com/security/cve/CVE-2025-46420https://bugzilla.redhat.com/show_bug.cgi?id=2361963https://gitlab.gnome.org/GNOME/libsoup/-/issues/438