Vulnerabilidades / CVE-2026-42483

crítica

CVE-2026-42483

A heap-based buffer overflow in the Kerberos hash parser in hashcat v7 ...

Publicada Modificada CWE 787, 122
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.

Severidad por fuente

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

La etiqueta propia de Trivy es CRITICAL. Crítica según NVD.

Descripción

A heap-based buffer overflow in the Kerberos hash parser in hashcat v7.1.2 allows an attacker to cause a denial of service or possibly execute arbitrary code via a crafted Kerberos hash file. The issue affects module_hash_decode in multiple Kerberos-related modules because account_info_len is calculated from untrusted delimiter positions without upper-bound validation before memcpy copies the data into a fixed-size account_info buffer.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
debian 11hashcatsin corrección indicada
debian 12hashcatsin corrección indicada
debian 13hashcatsin corrección indicada
debian 14hashcatsin corrección indicada
echohashcatsin corrección indicada
rapidfort debian 12hashcatsin corrección indicada
rapidfort debian 13hashcatsin corrección indicada
rapidfort ubuntu 20.04hashcatsin corrección indicada
rapidfort ubuntu 22.04hashcatsin corrección indicada
rapidfort ubuntu 24.04hashcatsin corrección indicada

Referencias

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.