PT-2026-26289 · Unknown+4 · Libarchive+4
Osidb Bzimport
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Published
2026-01-01
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Updated
2026-06-04
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CVE-2026-4424
CVSS v2.0
7.8
High
| Vector | AV:N/AC:L/Au:N/C:C/I:N/A:N |
Name of the Vulnerable Software and Affected Versions
libarchive (affected versions not specified)
Description
A heap out-of-bounds read issue exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. An attacker can exploit this by providing a specially crafted RAR archive, potentially leading to the disclosure of sensitive heap memory information. This does not require authentication or user interaction.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
DoS
Out of bounds Read
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Weakness Enumeration
Related Identifiers
Affected Products
Linuxmint
Rar
Rocky Linux
Ubuntu
Libarchive