CVE-2025-5914
libarchive: Double free at archive_read_format_rar_seek_data() in archive_read_support_format_rar.c
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 20, 2025
Updated · October 13, 2026
Description
A vulnerability has been identified in the libarchive library, specifically within the archive_read_format_rar_seek_data() function. This flaw involves an integer overflow that can ultimately lead to a double-free condition. Exploiting a double-free vulnerability can result in memory corruption, enabling an attacker to execute arbitrary code or cause a denial-of-service condition.
Statement
The Red Hat Product Security team has rated this vulnerability as Important because it allows a local attacker with limited privileges to trigger a double-free in libarchive's RAR parser by providing a specially crafted RAR archive. Successful exploitation could result in code execution or application crashes.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-190 · Integer Overflow or Wraparound