CVE-2026-14164 | 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 unexpec
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.
- 🔗 access.redhat.com/errata/RHSA-2026:30333
- 🔗 access.redhat.com/errata/RHSA-2026:52674
- 🔗 access.redhat.com/errata/RHSA-2026:52675
- 🔗 access.redhat.com/errata/RHSA-2026:54387
- 🔗 access.redhat.com/errata/RHSA-2026:54760
- 🔗 access.redhat.com/errata/RHSA-2026:54769
- 🔗 access.redhat.com/errata/RHSA-2026:56954
- 🔗 access.redhat.com/security/cve/CVE-2026-14164
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| Tier | 2026-08-29 | 2026-09-14 |
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CVE-2026-14164 | 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 unexpec
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 process