Vulnerabilidades / CVE-2021-44847

crítica

CVE-2021-44847

A stack-based buffer overflow in handle_request function in DHT.c in t ...

Publicada Modificada CWE 682
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. Más baja según Ubuntu (media).

Descripción

A stack-based buffer overflow in handle_request function in DHT.c in toxcore 0.1.9 through 0.1.11 and 0.2.0 through 0.2.12 (caused by an improper length calculation during the handling of received network packets) allows remote attackers to crash the process or potentially execute arbitrary code via a network packet.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
debian 10libtoxcoresin corrección indicada
debian 11libtoxcoresin corrección indicada
debian 12libtoxcore0.2.13-1
debian 13libtoxcore0.2.13-1
debian 14libtoxcore0.2.13-1
echolibtoxcore0.2.13-1
ubuntu 20.04-ESMlibtoxcoresin corrección indicada
ubuntu 22.04libtoxcore0.2.13-1
ubuntu 22.10libtoxcore0.2.13-1
ubuntu 23.04libtoxcore0.2.13-1
ubuntu 23.10libtoxcore0.2.13-1
ubuntu 24.04libtoxcore0.2.13-1
Mostrar las 17 entradas de 17 fuentes
FuentePaqueteCorregido en
debian 10libtoxcoresin corrección indicada
debian 11libtoxcoresin corrección indicada
debian 12libtoxcore0.2.13-1
debian 13libtoxcore0.2.13-1
debian 14libtoxcore0.2.13-1
echolibtoxcore0.2.13-1
ubuntu 20.04-ESMlibtoxcoresin corrección indicada
ubuntu 22.04libtoxcore0.2.13-1
ubuntu 22.10libtoxcore0.2.13-1
ubuntu 23.04libtoxcore0.2.13-1
ubuntu 23.10libtoxcore0.2.13-1
ubuntu 24.04libtoxcore0.2.13-1
ubuntu 24.10libtoxcore0.2.13-1
ubuntu 25.04libtoxcore0.2.13-1
ubuntu 25.10libtoxcore0.2.13-1
ubuntu 26.04libtoxcore0.2.13-1
ubuntu 26.10libtoxcore0.2.13-1

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.