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CVE-2026-4424

Опубликовано: 19 мар. 2026
Источник: debian
EPSS Низкий

Описание

A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this by providing a specially crafted RAR archive, leading to the disclosure of sensitive heap memory information without requiring authentication or user interaction.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
libarchivefixed3.8.7-1package
libarchivefixed3.7.4-4+deb13u1trixiepackage
libarchivefixed3.6.2-1+deb12u4bookwormpackage

Примечания

  • https://github.com/libarchive/libarchive/pull/2898

  • Fixed by: https://github.com/libarchive/libarchive/commit/d379dc0b2976b7207d1ad78f5ed3eb99a5b6d375

  • Fixed by: https://github.com/libarchive/libarchive/commit/e1907c5832b6489c7b4198b0825f857c93a03c10

EPSS

Процентиль: 55%
0.00882
Низкий

Связанные уязвимости

CVSS3: 7.5
ubuntu
4 месяца назад

A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this by providing a specially crafted RAR archive, leading to the disclosure of sensitive heap memory information without requiring authentication or user interaction.

CVSS3: 7.5
redhat
4 месяца назад

A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this by providing a specially crafted RAR archive, leading to the disclosure of sensitive heap memory information without requiring authentication or user interaction.

CVSS3: 7.5
nvd
4 месяца назад

A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this by providing a specially crafted RAR archive, leading to the disclosure of sensitive heap memory information without requiring authentication or user interaction.

CVSS3: 7.5
msrc
4 месяца назад

Libarchive: libarchive: information disclosure via heap out-of-bounds read in rar archive processing

rocky
3 месяца назад

Important: libarchive security update

EPSS

Процентиль: 55%
0.00882
Низкий