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CVE-2026-18508

Опубликовано: 07 авг. 2026
Источник: msrc
CVSS3: 4.4
EPSS Низкий

Описание

Tar: tar: --one-top-level hardlink targets not confined to top-level directory enabling arbitrary file overwrite

EPSS

Процентиль: 4%
0.00137
Низкий

4.4 Medium

CVSS3

Связанные уязвимости

CVSS3: 4.4
ubuntu
7 дней назад

A flaw was found in GNU tar. When extracting an archive with the --one-top-level option, hardlink targets are not confined to the designated top-level directory and may resolve relative to the extraction working directory. A crafted archive can create hardlinks that escape the intended boundary and, when combined with a preexisting symbolic link under the working directory, may allow writing outside that boundary during a single extraction.

CVSS3: 4.4
redhat
10 дней назад

A flaw was found in GNU tar. When extracting an archive with the --one-top-level option, hardlink targets are not confined to the designated top-level directory and may resolve relative to the extraction working directory. A crafted archive can create hardlinks that escape the intended boundary and, when combined with a preexisting symbolic link under the working directory, may allow writing outside that boundary during a single extraction.

CVSS3: 4.4
nvd
7 дней назад

A flaw was found in GNU tar. When extracting an archive with the --one-top-level option, hardlink targets are not confined to the designated top-level directory and may resolve relative to the extraction working directory. A crafted archive can create hardlinks that escape the intended boundary and, when combined with a preexisting symbolic link under the working directory, may allow writing outside that boundary during a single extraction.

CVSS3: 4.4
debian
7 дней назад

A flaw was found in GNU tar. When extracting an archive with the --one ...

CVSS3: 4.4
github
7 дней назад

A flaw was found in GNU tar. When extracting an archive with the --one-top-level option, hardlink targets are not confined to the designated top-level directory and may resolve relative to the extraction working directory. A crafted archive can create hardlinks that escape the intended boundary and, when combined with a preexisting symbolic link under the working directory, may allow writing outside that boundary during a single extraction.

EPSS

Процентиль: 4%
0.00137
Низкий

4.4 Medium

CVSS3