CVE-2026-14164
Vulnérabilité élevée dans Red Hat Enterprise Linux 10 (Red Hat)
Description
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.
Gravité et risque d'exploitation
CVE-2026-14164 obtient un score CVSS de 7.5/10, soit une gravité élevée. Selon le modèle EPSS, la probabilité qu'elle soit exploitée dans les 30 prochains jours est de 0.79 %, ce qui la place devant 55.6 % des CVE référencées.
Que faire ?
- Vérifiez si Red Hat Enterprise Linux 10 (versions 1787241260, 4.20.9.6.202609021029-0, 415.92.202609140326-0, 1786435483, 1790703497, 4.22.9.8.202608130832-0, 1791371080, 1786533529, 413.92.202609080414-0, 0:3.5.3-11.el9_8, 3.8.8-2.hum1, 1787135742, <*, 418.94.202609031320-0, 1790703506, 0:3.5.3-7.el9_6.2, 1791459711, 1791459707, 1790276974, 4.19.9.6.202609021231-0, 1789029076, 1790703494, 1786638573, 1786533449, 1790276889, 1790703590, 1790598593, 1790589912, 1791788287, 0:3.5.3-5.el9_4.2, 1790703586, 1791378395, 1788206196, 1790703542, 1791818357, 1790223279, 1790589855, 1791371069, 0:3.5.3-5.el9_2.3, 1790703568, 1786435241, 1790276884, 418.94.202609171815-0, 1791966259, 4.21.9.6.202609021100-0, 417.94.202609191027-0, 1791459759, 1790272426, 1790589998, 1790277045, 1787241211, 1791427182, 1786533457, 1790223719, 0:3.7.7-5.el10_0.1, 414.92.202609011250-0, 1790276886, 0:3.7.7-10.el10_2, 416.94.202609140240-0, 1790589914, 1791970484) est présent sur votre parc.
- Appliquez le correctif ou la version corrigée indiqués dans les références de l'éditeur.
- À défaut de correctif, limitez l'exposition (filtrage réseau, désactivation du composant).
- Automatisez la détection : les agents CVE Heimdall (gratuits, open source) corrèlent l'inventaire de vos serveurs avec la base CVE.
Références
- 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
