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Vulnerabilities CVE-2025-5915

CVE-2025-5915

Medium
Open
TLP:CLEAR

Libarchive: heap buffer over read in copy_from_lzss_window() at archive_read_support_format_rar.c

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Description

A vulnerability has been identified in the libarchive library. This flaw can lead to a heap buffer over-read due to the size of a filter block potentially exceeding the Lempel-Ziv-Storer-Schieber (LZSS) window. This means the library may attempt to read beyond the allocated memory buffer, which can result in unpredictable program behavior, crashes (denial of service), or the disclosure of sensitive information from adjacent memory regions.

Details

CVSS Score
6.6
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H
Confidence
90%
Published
Jun 9, 2025
Last Modified
Aug 21, 2026
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