Описание
Уязвимость реализации технологии DNSSEC DNS-сервера Dnsmasq связана с чтением за пределами допустимого диапазона в памяти. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании
Вендор
Red Hat, Inc.
Novell Inc.
Simon Kelley
Наименование ПО
Red Hat Enterprise Linux
Suse Linux Enterprise Desktop
Suse Linux Enterprise Server
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise Point of Sale
SUSE Enterprise Storage
HPE Helion Openstack
SUSE CaaS Platform
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Real Time
SUSE Manager Proxy
SUSE Manager Server
SUSE Linux Enterprise Server for SAP Applications
Dnsmasq
Версия ПО
7 (Red Hat Enterprise Linux)
12 SP3 (Suse Linux Enterprise Desktop)
12 SP4 (Suse Linux Enterprise Desktop)
12 SP3 (Suse Linux Enterprise Server)
12 SP4 (Suse Linux Enterprise Server)
15 SP1 (SUSE Linux Enterprise Module for Basesystem)
12 SP2-CLIENT (SUSE Linux Enterprise Point of Sale)
12 SP2-BCL (Suse Linux Enterprise Server)
12 SP2-ESPOS (Suse Linux Enterprise Server)
12 SP1-LTSS (Suse Linux Enterprise Server)
12 SP2-LTSS (Suse Linux Enterprise Server)
12 SP3-LTSS (Suse Linux Enterprise Server)
12 SP3-BCL (Suse Linux Enterprise Server)
12 SP5 (Suse Linux Enterprise Server)
6 (SUSE Enterprise Storage)
8 (HPE Helion Openstack)
12 SP3-ESPOS (Suse Linux Enterprise Server)
12 SP2 (Suse Linux Enterprise Desktop)
12 SP2 (Suse Linux Enterprise Server)
12 SP1 (Suse Linux Enterprise Desktop)
12 SP1 (Suse Linux Enterprise Server)
15 SP2 (SUSE Linux Enterprise Module for Basesystem)
12 SP4-ESPOS (Suse Linux Enterprise Server)
4.0 (SUSE CaaS Platform)
12 SP4-LTSS (Suse Linux Enterprise Server)
15 SP1-BCL (Suse Linux Enterprise Server)
15 SP1-LTSS (Suse Linux Enterprise Server)
15 SP1-LTSS (SUSE Linux Enterprise High Performance Computing)
15 SP1-ESPOS (SUSE Linux Enterprise High Performance Computing)
15 SP3 (SUSE Linux Enterprise Module for Basesystem)
15 SP1 (Suse Linux Enterprise Server)
15 SP3 (SUSE Linux Enterprise High Performance Computing)
15 SP3 (Suse Linux Enterprise Desktop)
7 (SUSE Enterprise Storage)
15 SP2 (Suse Linux Enterprise Server)
15 SP2-ESPOS (SUSE Linux Enterprise High Performance Computing)
15 SP2-LTSS (SUSE Linux Enterprise High Performance Computing)
5.0 (SUSE Linux Enterprise Micro)
5.1 (SUSE Linux Enterprise Micro)
15 SP4 (Suse Linux Enterprise Server)
15 SP2 (Suse Linux Enterprise Desktop)
15 SP2 (SUSE Linux Enterprise High Performance Computing)
15 SP4 (Suse Linux Enterprise Desktop)
15 SP2-BCL (Suse Linux Enterprise Server)
5.2 (SUSE Linux Enterprise Micro)
15 SP2-LTSS (Suse Linux Enterprise Server)
15 SP2 (SUSE Linux Enterprise Real Time)
4.3 (SUSE Manager Proxy)
4.3 (SUSE Manager Server)
15 SP4 (SUSE Linux Enterprise High Performance Computing)
15 SP1 (Suse Linux Enterprise Desktop)
7.1 (SUSE Enterprise Storage)
15 SP4 (SUSE Linux Enterprise Module for Basesystem)
15 SP1 (SUSE Linux Enterprise High Performance Computing)
15 SP3-ESPOS (SUSE Linux Enterprise High Performance Computing)
15 SP3-LTSS (SUSE Linux Enterprise High Performance Computing)
15 SP3 (SUSE Linux Enterprise Real Time)
15 SP5 (Suse Linux Enterprise Server)
15 SP5 (Suse Linux Enterprise Desktop)
15 SP5 (SUSE Linux Enterprise High Performance Computing)
15 SP5 (SUSE Linux Enterprise Module for Basesystem)
15 SP4 (SUSE Linux Enterprise Real Time)
15 SP4-ESPOS (SUSE Linux Enterprise High Performance Computing)
15 SP6 (Suse Linux Enterprise Desktop)
15 SP6 (Suse Linux Enterprise Server)
15 SP6 (SUSE Linux Enterprise High Performance Computing)
15 SP6 (SUSE Linux Enterprise Module for Basesystem)
12 SP5-LTSS (Suse Linux Enterprise Server)
12 SP5 LTSS Extended Security (Suse Linux Enterprise Server)
15 SP5-ESPOS (SUSE Linux Enterprise High Performance Computing)
16.0 (SUSE Linux Enterprise Server for SAP Applications)
16.1 (Suse Linux Enterprise Server)
до 2.92rel2 (Dnsmasq)
Тип ПО
Операционная система
Прикладное ПО информационных систем
Сетевое программное средство
Операционные системы и аппаратные платформы
Red Hat, Inc. Red Hat Enterprise Linux 7
Novell Inc. Suse Linux Enterprise Desktop 12 SP3
Novell Inc. Suse Linux Enterprise Desktop 12 SP4
Novell Inc. Suse Linux Enterprise Server 12 SP3
Novell Inc. Suse Linux Enterprise Server 12 SP4
Novell Inc. Suse Linux Enterprise Server 12 SP2-BCL
Novell Inc. Suse Linux Enterprise Server 12 SP2-ESPOS
Novell Inc. Suse Linux Enterprise Server 12 SP1-LTSS
Novell Inc. Suse Linux Enterprise Server 12 SP2-LTSS
Novell Inc. Suse Linux Enterprise Server 12 SP3-LTSS
Novell Inc. Suse Linux Enterprise Server 12 SP3-BCL
Novell Inc. Suse Linux Enterprise Server 12 SP5
Novell Inc. Suse Linux Enterprise Server 12 SP3-ESPOS
Novell Inc. Suse Linux Enterprise Desktop 12 SP2
Novell Inc. Suse Linux Enterprise Server 12 SP2
Novell Inc. Suse Linux Enterprise Desktop 12 SP1
Novell Inc. Suse Linux Enterprise Server 12 SP1
Novell Inc. Suse Linux Enterprise Server 12 SP4-ESPOS
Novell Inc. Suse Linux Enterprise Server 12 SP4-LTSS
Novell Inc. Suse Linux Enterprise Server 15 SP1-BCL
Novell Inc. Suse Linux Enterprise Server 15 SP1-LTSS
Novell Inc. Suse Linux Enterprise Server 15 SP1
Novell Inc. Suse Linux Enterprise Desktop 15 SP3
Novell Inc. Suse Linux Enterprise Server 15 SP2
Novell Inc. Suse Linux Enterprise Server 15 SP4
Novell Inc. Suse Linux Enterprise Desktop 15 SP2
Novell Inc. Suse Linux Enterprise Desktop 15 SP4
Novell Inc. Suse Linux Enterprise Server 15 SP2-BCL
Novell Inc. Suse Linux Enterprise Server 15 SP2-LTSS
Novell Inc. SUSE Linux Enterprise Real Time 15 SP2
Novell Inc. Suse Linux Enterprise Desktop 15 SP1
Novell Inc. SUSE Linux Enterprise Real Time 15 SP3
Novell Inc. Suse Linux Enterprise Server 15 SP5
Novell Inc. Suse Linux Enterprise Desktop 15 SP5
Novell Inc. SUSE Linux Enterprise Real Time 15 SP4
Novell Inc. Suse Linux Enterprise Desktop 15 SP6
Novell Inc. Suse Linux Enterprise Server 15 SP6
Novell Inc. Suse Linux Enterprise Server 12 SP5-LTSS
Novell Inc. Suse Linux Enterprise Server 12 SP5 LTSS Extended Security
Novell Inc. SUSE Linux Enterprise Server for SAP Applications 16.0
Novell Inc. Suse Linux Enterprise Server 16.1
Уровень опасности уязвимости
Высокий уровень опасности (базовая оценка CVSS 2.0 составляет 7,8)
Высокий уровень опасности (базовая оценка CVSS 3.1 составляет 7,5)
Возможные меры по устранению уязвимости
Использование рекомендаций производителя:
https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2026q2/018471.html
Для программных продуктов Red Hat Inc.:
https://access.redhat.com/security/cve/cve-2026-4891
Для программных продуктов Novell Inc.:
https://www.suse.com/security/cve/CVE-2026-4891.html
Статус уязвимости
Подтверждена производителем
Наличие эксплойта
Данные уточняются
Информация об устранении
Уязвимость устранена
Ссылки на источники
Идентификаторы других систем описаний уязвимостей
- CVE
EPSS
Процентиль: 94%
0.06411
Низкий
7.5 High
CVSS3
7.8 High
CVSS2
Связанные уязвимости
CVSS3: 7.5
ubuntu
6 месяцев назад
A heap-based out-of-bounds read vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet.
CVSS3: 7.5
redhat
6 месяцев назад
A heap-based out-of-bounds read vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet.
CVSS3: 7.5
nvd
6 месяцев назад
A heap-based out-of-bounds read vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet.
CVSS3: 7.5
debian
6 месяцев назад
A heap-based out-of-bounds read vulnerability in the DNSSEC validation ...
EPSS
Процентиль: 94%
0.06411
Низкий
7.5 High
CVSS3
7.8 High
CVSS2