CVE-2025-46420

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
redhatCNA
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 29%
Debian logo
Debian Releases
Debian Product
Codename
libsoup2.4
bullseye
vulnerable
bullseye (security)
vulnerable
bookworm
vulnerable
sid
2.74.3-10.1
fixed
trixie
2.74.3-10.1
fixed
libsoup3
bookworm
vulnerable
sid
3.6.5-1
fixed
trixie
3.6.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libsoup2.4
plucky
Fixed 2.74.3-10ubuntu0.1
released
oracular
Fixed 2.74.3-7ubuntu0.3
released
noble
Fixed 2.74.3-6ubuntu1.3
released
jammy
Fixed 2.74.2-3ubuntu0.3
released
focal
Fixed 2.70.0-1ubuntu0.3
released
bionic
Fixed 2.62.1-1ubuntu0.4+esm2
released
xenial
Fixed 2.52.2-1ubuntu0.3+esm1
released
libsoup3
plucky
not-affected
oracular
Fixed 3.6.0-2ubuntu0.3
released
noble
Fixed 3.4.4-5ubuntu0.3
released
jammy
Fixed 3.0.7-0ubuntu1+esm3
released
focal
dne
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://access.redhat.com/errata/RHSA-2025:4439
https://access.redhat.com/errata/RHSA-2025:4440
https://access.redhat.com/errata/RHSA-2025:4508
https://access.redhat.com/errata/RHSA-2025:4538
https://access.redhat.com/errata/RHSA-2025:4560
https://access.redhat.com/errata/RHSA-2025:4568
https://access.redhat.com/errata/RHSA-2025:4609
https://access.redhat.com/errata/RHSA-2025:4624
https://access.redhat.com/errata/RHSA-2025:7436
https://access.redhat.com/security/cve/CVE-2025-46420
https://bugzilla.redhat.com/show_bug.cgi?id=2361963