Summary
The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM images. Libarchive is used notably in the bsdtar utility, scripting language bindings such as python-libarchive, and several popular desktop file managers.
Security Fix(es):
* libarchive: libarchive: Information disclosure via heap out-of-bounds read in RAR archive processing (CVE-2026-4424)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 10 | bsdtar | 3.7.7-8.el10_1 |
| AlmaLinux · 10 | libarchive | 3.7.7-8.el10_1 |
| AlmaLinux · 10 | libarchive-devel | 3.7.7-8.el10_1 |
Vulnerabilities 1
-
High 7.5
Libarchive: libarchive: information disclosure via heap out-of-bounds read in rar archive processing
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 …