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CVE-2026-4897

Опубликовано: 26 мар. 2026
Источник: debian

Описание

A flaw was found in polkit. A local user can exploit this by providing a specially crafted, excessively long input to the `polkit-agent-helper-1` setuid binary via standard input (stdin). This unbounded input can lead to an out-of-memory (OOM) condition, resulting in a Denial of Service (DoS) for the system.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
policykit-1fixed127-3package
policykit-1no-dsatrixiepackage
policykit-1no-dsabookwormpackage

Примечания

  • https://bugzilla.redhat.com/show_bug.cgi?id=2451739

  • Fixed by: https://github.com/polkit-org/polkit/commit/7e122c8a5120c2aae2d9d44a26796dc18f5b677c

  • Introduced with (part of the fixes for CVE-2015-4625):

  • https://github.com/polkit-org/polkit/commit/ea544ffc18405237ccd95d28d7f45afef49aca17 (0.113)

Связанные уязвимости

CVSS3: 5.5
ubuntu
4 месяца назад

A flaw was found in polkit. A local user can exploit this by providing a specially crafted, excessively long input to the `polkit-agent-helper-1` setuid binary via standard input (stdin). This unbounded input can lead to an out-of-memory (OOM) condition, resulting in a Denial of Service (DoS) for the system.

CVSS3: 5.5
redhat
4 месяца назад

A flaw was found in polkit. A local user can exploit this by providing a specially crafted, excessively long input to the `polkit-agent-helper-1` setuid binary via standard input (stdin). This unbounded input can lead to an out-of-memory (OOM) condition, resulting in a Denial of Service (DoS) for the system.

CVSS3: 5.5
nvd
4 месяца назад

A flaw was found in polkit. A local user can exploit this by providing a specially crafted, excessively long input to the `polkit-agent-helper-1` setuid binary via standard input (stdin). This unbounded input can lead to an out-of-memory (OOM) condition, resulting in a Denial of Service (DoS) for the system.

CVSS3: 5.5
msrc
4 месяца назад

Polkit: polkit: denial of service via unbounded input processing through standard input

suse-cvrf
около 2 месяцев назад

Security update for polkit