Vulnerabilidades / CVE-2019-20788

crítica

CVE-2019-20788

libvncserver: integer overflow and heap-based buffer overflow in libvncclient/cursor.c in HandleCursorShape function

Publicada Modificada CWE 190, 787
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

libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large height or width value. NOTE: this may overlap CVE-2019-15690.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
debian 10libvncserver0.9.11+dfsg-1.3+deb10u3
debian 11libvncserver0.9.12+dfsg-9
debian 12libvncserver0.9.12+dfsg-9
debian 13libvncserver0.9.12+dfsg-9
debian 14libvncserver0.9.12+dfsg-9
debian 8libvncserver0.9.9+dfsg2-6.1+deb8u7
debian 9libvncserver0.9.11+dfsg-1.3~deb9u4
echolibvncserver0.9.12+dfsg-9
ubuntu 16.04libvncserver0.9.10+dfsg-3ubuntu0.16.04.4
ubuntu 16.04-ESMlibvncserver0.9.10+dfsg-3ubuntu0.16.04.4
ubuntu 18.04libvncserver0.9.11+dfsg-1ubuntu1.2
ubuntu 18.04-ESMlibvncserver0.9.11+dfsg-1ubuntu1.2
Mostrar las 13 entradas de 13 fuentes
FuentePaqueteCorregido en
debian 10libvncserver0.9.11+dfsg-1.3+deb10u3
debian 11libvncserver0.9.12+dfsg-9
debian 12libvncserver0.9.12+dfsg-9
debian 13libvncserver0.9.12+dfsg-9
debian 14libvncserver0.9.12+dfsg-9
debian 8libvncserver0.9.9+dfsg2-6.1+deb8u7
debian 9libvncserver0.9.11+dfsg-1.3~deb9u4
echolibvncserver0.9.12+dfsg-9
ubuntu 16.04libvncserver0.9.10+dfsg-3ubuntu0.16.04.4
ubuntu 16.04-ESMlibvncserver0.9.10+dfsg-3ubuntu0.16.04.4
ubuntu 18.04libvncserver0.9.11+dfsg-1ubuntu1.2
ubuntu 18.04-ESMlibvncserver0.9.11+dfsg-1ubuntu1.2
ubuntu 19.10libvncserver0.9.11+dfsg-1.3ubuntu0.1

Referencias

Las 9 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.