Source: libarchive Version: 3.8.7-1 Severity: important Tags: security upstream Forwarded: https://github.com/libarchive/libarchive/issues/3069 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for libarchive. CVE-2026-14164[0]: | 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. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-14164 https://www.cve.org/CVERecord?id=CVE-2026-14164 [1] https://github.com/libarchive/libarchive/issues/3069 [2] https://github.com/libarchive/libarchive/pull/3071 [3] https://github.com/libarchive/libarchive/commit/1c914cdfef533cbee1ae3aa21a89ba02ed4d5f61 Please adjust the affected versions in the BTS as needed. Regards, Salvatore

