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CVE-2026-27852

Опубликовано: 28 авг. 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 7.5

Описание

An attacker that can send mail to a user can craft a message whose headers contain a very large number of email addresses or MIME parameters, which causes excessive memory usage when the message is later parsed. The message is still delivered, but reading it over IMAP can exhaust the memory limit of the process and terminate it, causing denial of service for the affected user. Update to non-vulnerable version. No publicly available exploits are known.

РелизСтатусПримечание
devel

pending

1:2.4.4+dfsg1-2ubuntu3
esm-infra-legacy/trusty

needs-triage

esm-infra-legacy/xenial

needs-triage

esm-infra/bionic

needs-triage

esm-infra/focal

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

upstream

needs-triage

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Ссылки на источники

EPSS

Процентиль: 29%
0.00359
Низкий

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 7.5
redhat
19 дней назад

An attacker that can send mail to a user can craft a message whose headers contain a very large number of email addresses or MIME parameters, which causes excessive memory usage when the message is later parsed. The message is still delivered, but reading it over IMAP can exhaust the memory limit of the process and terminate it, causing denial of service for the affected user. Update to non-vulnerable version. No publicly available exploits are known.

CVSS3: 7.5
nvd
19 дней назад

An attacker that can send mail to a user can craft a message whose headers contain a very large number of email addresses or MIME parameters, which causes excessive memory usage when the message is later parsed. The message is still delivered, but reading it over IMAP can exhaust the memory limit of the process and terminate it, causing denial of service for the affected user. Update to non-vulnerable version. No publicly available exploits are known.

CVSS3: 7.5
debian
19 дней назад

An attacker that can send mail to a user can craft a message whose hea ...

CVSS3: 7.5
github
19 дней назад

An attacker that can send mail to a user can craft a message whose headers contain a very large number of email addresses or MIME parameters, which causes excessive memory usage when the message is later parsed. The message is still delivered, but reading it over IMAP can exhaust the memory limit of the process and terminate it, causing denial of service for the affected user. Update to non-vulnerable version. No publicly available exploits are known.

suse-cvrf
14 дней назад

Security update for dovecot22

EPSS

Процентиль: 29%
0.00359
Низкий

7.5 High

CVSS3