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CVE-2021-3468

Опубликовано: 18 фев. 2026
Источник: msrc
CVSS3: 5.5
EPSS Низкий

Описание

A flaw was found in avahi in versions 0.6 up to 0.8. The event used to signal the termination of the client connection on the avahi Unix socket is not correctly handled in the client_work function allowing a local attacker to trigger an infinite loop. The highest threat from this vulnerability is to the availability of the avahi service which becomes unresponsive after this flaw is triggered.

FAQ

Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?

One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this.

EPSS

Процентиль: 37%
0.00453
Низкий

5.5 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.5
ubuntu
около 5 лет назад

A flaw was found in avahi in versions 0.6 up to 0.8. The event used to signal the termination of the client connection on the avahi Unix socket is not correctly handled in the client_work function, allowing a local attacker to trigger an infinite loop. The highest threat from this vulnerability is to the availability of the avahi service, which becomes unresponsive after this flaw is triggered.

CVSS3: 6.2
redhat
больше 5 лет назад

A flaw was found in avahi in versions 0.6 up to 0.8. The event used to signal the termination of the client connection on the avahi Unix socket is not correctly handled in the client_work function, allowing a local attacker to trigger an infinite loop. The highest threat from this vulnerability is to the availability of the avahi service, which becomes unresponsive after this flaw is triggered.

CVSS3: 5.5
nvd
около 5 лет назад

A flaw was found in avahi in versions 0.6 up to 0.8. The event used to signal the termination of the client connection on the avahi Unix socket is not correctly handled in the client_work function, allowing a local attacker to trigger an infinite loop. The highest threat from this vulnerability is to the availability of the avahi service, which becomes unresponsive after this flaw is triggered.

CVSS3: 5.5
debian
около 5 лет назад

A flaw was found in avahi in versions 0.6 up to 0.8. The event used to ...

suse-cvrf
около 5 лет назад

Security update for avahi

EPSS

Процентиль: 37%
0.00453
Низкий

5.5 Medium

CVSS3