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CVE-2026-103963

Опубликовано: 29 окт. 2026
Источник: redhat
CVSS3: 7.5
EPSS Низкий

Описание

A flaw was found in glib-networking. When establishing connections using Transport Layer Security (TLS) version 1.3, the client-side session cache does not limit the number of session tickets retained for a single host. A malicious server can exploit this by sending excessive session ticket messages, causing the client application to continuously consume memory. This unbounded memory growth can exhaust system memory, resulting in a Denial of Service (DoS).

Меры по смягчению последствий

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10glib-networkingAffected
Red Hat Enterprise Linux 6glib-networkingNot affected
Red Hat Enterprise Linux 7glib-networkingNot affected
Red Hat Enterprise Linux 8glib-networkingNot affected
Red Hat Enterprise Linux 9glib-networkingAffected

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Дополнительная информация

Статус:

Important
Дефект:
CWE-400
https://bugzilla.redhat.com/show_bug.cgi?id=2465656glib-networking: Unbounded TLS 1.3 session ticket queue growth in glib-networking allows remote denial of service

EPSS

Процентиль: 27%
0.00339
Низкий

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 7.5
ubuntu
10 дней назад

A flaw was found in glib-networking. When establishing connections using Transport Layer Security (TLS) version 1.3, the client-side session cache does not limit the number of session tickets retained for a single host. A malicious server can exploit this by sending excessive session ticket messages, causing the client application to continuously consume memory. This unbounded memory growth can exhaust system memory, resulting in a Denial of Service (DoS).

CVSS3: 7.5
nvd
10 дней назад

A flaw was found in glib-networking. When establishing connections using Transport Layer Security (TLS) version 1.3, the client-side session cache does not limit the number of session tickets retained for a single host. A malicious server can exploit this by sending excessive session ticket messages, causing the client application to continuously consume memory. This unbounded memory growth can exhaust system memory, resulting in a Denial of Service (DoS).

CVSS3: 7.5
msrc
4 дня назад

Glib-networking: unbounded tls 1.3 session ticket queue growth in glib-networking allows remote denial of service

CVSS3: 7.5
debian
10 дней назад

A flaw was found in glib-networking. When establishing connections usi ...

CVSS3: 7.5
github
10 дней назад

A flaw was found in glib-networking. When establishing connections using Transport Layer Security (TLS) version 1.3, the client-side session cache does not limit the number of session tickets retained for a single host. A malicious server can exploit this by sending excessive session ticket messages, causing the client application to continuously consume memory. This unbounded memory growth can exhaust system memory, resulting in a Denial of Service (DoS).

EPSS

Процентиль: 27%
0.00339
Низкий

7.5 High

CVSS3

Уязвимость CVE-2026-103963 в Red Hat CVE — exploitDog