CVE-2026-14164
Estado: Pendiente de análisisAlta (7.5)—
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.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.73%
- Percentil entre todas las CVEs puntuadas: 53
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access85 % - Impacto principal
T1499.004Application or System Exploitationimpact90 %
Vector CVSS de red sin privilegios (AV:N/PR:N/UI:N) indica T1190. Double-free en RAR5 causando crash (DoS) = T1499.004 (aplicación crasheada).
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-415
Referencias
- 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/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
JSON original (NVD)
Mostrar
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