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 unexpectedly, leading to a denial of service.
References
Link Resource
https://access.redhat.com/errata/RHSA-2026:30333
https://access.redhat.com/errata/RHSA-2026:52674
https://access.redhat.com/errata/RHSA-2026:52675
https://access.redhat.com/errata/RHSA-2026:54387
https://access.redhat.com/errata/RHSA-2026:54760
https://access.redhat.com/errata/RHSA-2026:54769
https://access.redhat.com/errata/RHSA-2026:56954
https://access.redhat.com/errata/RHSA-2026:58558
https://access.redhat.com/errata/RHSA-2026:58573
https://access.redhat.com/errata/RHSA-2026:58574
https://access.redhat.com/errata/RHSA-2026:58981
https://access.redhat.com/errata/RHSA-2026:61783
https://access.redhat.com/errata/RHSA-2026:62409
https://access.redhat.com/errata/RHSA-2026:63041
https://access.redhat.com/errata/RHSA-2026:63044
https://access.redhat.com/errata/RHSA-2026:63100
https://access.redhat.com/errata/RHSA-2026:65839
https://access.redhat.com/errata/RHSA-2026:65851
https://access.redhat.com/errata/RHSA-2026:67857
https://access.redhat.com/errata/RHSA-2026:67935
https://access.redhat.com/errata/RHSA-2026:70586
https://access.redhat.com/errata/RHSA-2026:70615
https://access.redhat.com/errata/RHSA-2026:72394
https://access.redhat.com/errata/RHSA-2026:72395
https://access.redhat.com/errata/RHSA-2026:72399
https://access.redhat.com/errata/RHSA-2026:72470
https://access.redhat.com/errata/RHSA-2026:72475
https://access.redhat.com/errata/RHSA-2026:72476
https://access.redhat.com/errata/RHSA-2026:72502
https://access.redhat.com/errata/RHSA-2026:73909
https://access.redhat.com/errata/RHSA-2026:73959
https://access.redhat.com/errata/RHSA-2026:73960
https://access.redhat.com/errata/RHSA-2026:73961
https://access.redhat.com/errata/RHSA-2026:73962
https://access.redhat.com/errata/RHSA-2026:74458
https://access.redhat.com/errata/RHSA-2026:74459
https://access.redhat.com/errata/RHSA-2026:74460
https://access.redhat.com/errata/RHSA-2026:74461
https://access.redhat.com/errata/RHSA-2026:74462
https://access.redhat.com/errata/RHSA-2026:74463
https://access.redhat.com/errata/RHSA-2026:74674
https://access.redhat.com/errata/RHSA-2026:82061
https://access.redhat.com/errata/RHSA-2026:82304
https://access.redhat.com/errata/RHSA-2026:82322
https://access.redhat.com/errata/RHSA-2026:82336
https://access.redhat.com/errata/RHSA-2026:82347
https://access.redhat.com/errata/RHSA-2026:82354
https://access.redhat.com/errata/RHSA-2026:82371
https://access.redhat.com/errata/RHSA-2026:82372
https://access.redhat.com/errata/RHSA-2026:82857
https://access.redhat.com/errata/RHSA-2026:82888
https://access.redhat.com/security/cve/CVE-2026-14164
https://bugzilla.redhat.com/show_bug.cgi?id=2493411
https://github.com/libarchive/libarchive/issues/3069
https://github.com/libarchive/libarchive/pull/3071
https://github.com/libarchive/libarchive/issues/3069
Configurations

No configuration.

History

14 Oct 2026, 20:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:82857 -
  • () https://access.redhat.com/errata/RHSA-2026:82888 -

14 Oct 2026, 03:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:82304 -
  • () https://access.redhat.com/errata/RHSA-2026:82322 -
  • () https://access.redhat.com/errata/RHSA-2026:82336 -
  • () https://access.redhat.com/errata/RHSA-2026:82347 -
  • () https://access.redhat.com/errata/RHSA-2026:82354 -
  • () https://access.redhat.com/errata/RHSA-2026:82371 -
  • () https://access.redhat.com/errata/RHSA-2026:82372 -

13 Oct 2026, 09:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:82061 -

02 Oct 2026, 03:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:74674 -

02 Oct 2026, 00:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:70615 -

01 Oct 2026, 18:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:70586 -
  • () https://access.redhat.com/errata/RHSA-2026:74458 -
  • () https://access.redhat.com/errata/RHSA-2026:74459 -
  • () https://access.redhat.com/errata/RHSA-2026:74460 -
  • () https://access.redhat.com/errata/RHSA-2026:74461 -
  • () https://access.redhat.com/errata/RHSA-2026:74462 -
  • () https://access.redhat.com/errata/RHSA-2026:74463 -

30 Sep 2026, 17:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:73909 -
  • () https://access.redhat.com/errata/RHSA-2026:73959 -
  • () https://access.redhat.com/errata/RHSA-2026:73960 -
  • () https://access.redhat.com/errata/RHSA-2026:73961 -
  • () https://access.redhat.com/errata/RHSA-2026:73962 -

29 Sep 2026, 01:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:72502 -

28 Sep 2026, 15:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:72470 -
  • () https://access.redhat.com/errata/RHSA-2026:72475 -
  • () https://access.redhat.com/errata/RHSA-2026:72476 -

28 Sep 2026, 11:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:72399 -

28 Sep 2026, 08:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:72394 -
  • () https://access.redhat.com/errata/RHSA-2026:72395 -

28 Sep 2026, 02:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:67857 -

24 Sep 2026, 12:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:67935 -

17 Sep 2026, 19:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:65839 -

17 Sep 2026, 09:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:65851 -

Information

Published : 2026-06-30 07:16

Updated : 2026-10-31 16:17


NVD link : CVE-2026-14164

Mitre link : CVE-2026-14164

CVE.ORG link : CVE-2026-14164


JSON object : View

Products Affected

No product.

CWE
CWE-415

Double Free