CVE-2025-46420

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

MEDIUM
6.5
CVSS Score
Published: April 24, 2025 at 12:58 PM UTC
Updated: June 30, 2026 at 05:17 AM UTC
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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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.

Affected

We have no canonical product record for this CVE. The source names may not have matched any product.

References (12)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMredhat
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-401

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