A flaw was found in libsoup’s caching mechanism, SoupCache, where the HTTP Vary header is ignored when evaluating cached responses. This header ensures that responses vary appropriately based on request headers such as language or authentication. Without this check, cached content can be incorrectly reused across different requests, potentially exposing sensitive user information. While the issue is unlikely to affect everyday desktop use, it could result in confidentiality breaches in proxy or multi-user environments.
Metrics
Affected Vendors & Products
References
History
Wed, 03 Sep 2025 14:15:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Metrics |
ssvc
|
Wed, 03 Sep 2025 13:00:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Description | No description is available for this CVE. | A flaw was found in libsoup’s caching mechanism, SoupCache, where the HTTP Vary header is ignored when evaluating cached responses. This header ensures that responses vary appropriately based on request headers such as language or authentication. Without this check, cached content can be incorrectly reused across different requests, potentially exposing sensitive user information. While the issue is unlikely to affect everyday desktop use, it could result in confidentiality breaches in proxy or multi-user environments. |
Title | libsoup: Improper Handling of HTTP Vary Header in libsoup Caching | Libsoup: improper handling of http vary header in libsoup caching |
First Time appeared |
Redhat
Redhat enterprise Linux |
|
CPEs | cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:6 cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
|
Vendors & Products |
Redhat
Redhat enterprise Linux |
|
References |
|
Wed, 03 Sep 2025 12:15:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Description | No description is available for this CVE. | |
Title | libsoup: Improper Handling of HTTP Vary Header in libsoup Caching | |
Weaknesses | CWE-524 | |
References |
| |
Metrics |
threat_severity
|
cvssV3_1
|

Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2025-09-03T14:01:56.925Z
Reserved: 2025-09-03T05:04:55.177Z
Link: CVE-2025-9901

Updated: 2025-09-03T14:01:34.733Z

Status : Awaiting Analysis
Published: 2025-09-03T13:15:50.133
Modified: 2025-09-04T15:36:56.447
Link: CVE-2025-9901


No data.