CVE-2025-46420
Libsoup: memory leak on soup_header_parse_quality_list() via soup-headers.c
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track
*SSVC
Descriptions
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.
Tan Wei Chong discovered that libsoup incorrectly handled memory when parsing HTTP request headers. An attacker could possibly use this issue to send a maliciously crafted HTTP request to the server, causing a denial of service. Alon Zahavi discovered that libsoup incorrectly parsed video files. An attacker could possibly use this issue to send a maliciously crafted HTTP response back to the client, causing a denial of service, or leading to undefined behavior.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2025-04-24 CVE Reserved
- 2025-04-24 CVE Published
- 2025-05-07 EPSS Updated
- 2025-05-13 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-401: Missing Release of Memory after Effective Lifetime
CAPEC
References (11)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2025-46420 | 2025-04-24 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2361963 | 2025-04-24 | |
| https://access.redhat.com/errata/RHSA-2025:4439 | 2025-05-13 | |
| https://access.redhat.com/errata/RHSA-2025:4440 | 2025-05-13 | |
| https://access.redhat.com/errata/RHSA-2025:4508 | 2025-05-13 | |
| https://access.redhat.com/errata/RHSA-2025:4538 | 2025-05-13 | |
| https://access.redhat.com/errata/RHSA-2025:4560 | 2025-05-13 | |
| https://access.redhat.com/errata/RHSA-2025:4568 | 2025-05-13 | |
| https://access.redhat.com/errata/RHSA-2025:4609 | 2025-05-13 | |
| https://access.redhat.com/errata/RHSA-2025:4624 | 2025-05-13 | |
| https://access.redhat.com/errata/RHSA-2025:7436 | 2025-05-13 |
Affected Vendors, Products, and Versions
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| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Oracle Search vendor "Oracle" | Linux Search vendor "Oracle" for product "Linux" | * | - |
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| Red Hat Search vendor "Red Hat" | Enterprise Linux Search vendor "Red Hat" for product "Enterprise Linux" | * | - |
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| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | * | - |
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| Redhat Search vendor "Redhat" | Rhel Aus Search vendor "Redhat" for product "Rhel Aus" | * | - |
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| Redhat Search vendor "Redhat" | Rhel E4s Search vendor "Redhat" for product "Rhel E4s" | * | - |
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| Redhat Search vendor "Redhat" | Rhel Eus Search vendor "Redhat" for product "Rhel Eus" | * | - |
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| Redhat Search vendor "Redhat" | Rhel Tus Search vendor "Redhat" for product "Rhel Tus" | * | - |
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| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | * | - |
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| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | * | - |
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| Oracle Search vendor "Oracle" | Linux Search vendor "Oracle" for product "Linux" | * | - |
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| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | * | - |
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| Redhat Search vendor "Redhat" | Rhel Aus Search vendor "Redhat" for product "Rhel Aus" | * | - |
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| Redhat Search vendor "Redhat" | Rhel E4s Search vendor "Redhat" for product "Rhel E4s" | * | - |
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| Redhat Search vendor "Redhat" | Rhel Eus Search vendor "Redhat" for product "Rhel Eus" | * | - |
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| Redhat Search vendor "Redhat" | Rhel Tus Search vendor "Redhat" for product "Rhel Tus" | * | - |
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