CVE-2026-14164
High · 7.5CVSS
7.5
EPSS
0.8%
Published
Jun 30, 2026
CISA due date
—
The record
A double free issue has been identified in libarchive's RAR5 reader. During parsing of a specially crafted RAR5 archive, the filtered_buf pointer may remain stale after being freed during unpacking state reinitialization. Subsequent processing of another archive entry can trigger a second free of the same memory region, resulting in a double-free condition. Successful exploitation may cause applications using the vulnerable libarchive API to terminate unexpectedly, leading to a denial of service.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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