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CVE-2026-34956

Опубликовано: 05 мая 2026
Источник: nvd
CVSS3: 5.9
EPSS Низкий

Описание

A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in a Denial of Service (DoS) for the affected system.

EPSS

Процентиль: 33%
0.00405
Низкий

5.9 Medium

CVSS3

Дефекты

CWE-120

Связанные уязвимости

CVSS3: 5.9
ubuntu
3 месяца назад

A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in a Denial of Service (DoS) for the affected system.

CVSS3: 5.9
redhat
4 месяца назад

A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in a Denial of Service (DoS) for the affected system.

CVSS3: 5.9
msrc
3 месяца назад

Openvswitch: open vswitch: denial of service via malformed ftp epasv command

CVSS3: 5.9
debian
3 месяца назад

A flaw was found in Open vSwitch. When Open vSwitch is configured with ...

suse-cvrf
4 месяца назад

Security update for openvswitch

EPSS

Процентиль: 33%
0.00405
Низкий

5.9 Medium

CVSS3

Дефекты

CWE-120