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CVE-2025-9901

Опубликовано: 03 сент. 2025
Источник: redhat
CVSS3: 5.9
EPSS Низкий

Описание

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.

Отчет

The Red Hat Product Security team has rated this vulnerability as a Moderate severity, since exploitation requires uncommon deployment conditions such as an application enabling SoupCache in a proxy-like configuration. In the worst case scenario, cached responses containing confidential data may be served to unintended users, leading to significant information disclosure. Standard GNOME desktop applications are not affected under normal use.

Меры по смягчению последствий

Mitigation for this issue is either not available or the currently available options do not meet Red Hat Product Security criteria comprising ease of use, deployment applicability to widespread installations, or stability. Administrators should apply vendor-supplied patches once they become available.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10libsoup3Fix deferred
Red Hat Enterprise Linux 6libsoupOut of support scope
Red Hat Enterprise Linux 7libsoupFix deferred
Red Hat Enterprise Linux 8libsoupFix deferred
Red Hat Enterprise Linux 9libsoupFix deferred

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-524
https://bugzilla.redhat.com/show_bug.cgi?id=2392790libsoup: Improper Handling of HTTP Vary Header in libsoup Caching

EPSS

Процентиль: 13%
0.00045
Низкий

5.9 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.9
ubuntu
14 дней назад

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.

CVSS3: 5.9
nvd
14 дней назад

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.

msrc
11 дней назад

Libsoup: improper handling of http vary header in libsoup caching

CVSS3: 5.9
debian
14 дней назад

A flaw was found in libsoup\u2019s caching mechanism, SoupCache, where ...

CVSS3: 5.9
github
14 дней назад

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.

EPSS

Процентиль: 13%
0.00045
Низкий

5.9 Medium

CVSS3