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Vulnerabilidades / CVE-2020-36773

crítica

CVE-2020-36773

Ghostscript: out-of-bounds write and use-after-free in devices/vector/gdevtxtw.c (for txtwrite)

Publicada Modificada CWE 416, 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
Red Hat9.8CVSS: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 Red Hat (alta), Amazon (alta).

Descripción

Artifex Ghostscript before 9.53.0 has an out-of-bounds write and use-after-free in devices/vector/gdevtxtw.c (for txtwrite) because a single character code in a PDF document can map to more than one Unicode code point (e.g., for a ligature).

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
amazon linux 2ghostscript, ghostscript-cups, ghostscript-debuginfo y 4 más9.25-5.amzn2.0.9
debian 11ghostscript9.53.0~dfsg-1
debian 12ghostscript9.53.0~dfsg-1
debian 13ghostscript9.53.0~dfsg-1
debian 14ghostscript9.53.0~dfsg-1
echoghostscript9.53.0~dfsg-1
root.io debian 12rootio-ghostscript9.53.0~dfsg-1
Mostrar las 13 entradas de 7 fuentes
FuentePaqueteCorregido en
amazon linux 2ghostscript9.25-5.amzn2.0.9
amazon linux 2ghostscript-cups9.25-5.amzn2.0.9
amazon linux 2ghostscript-debuginfo9.25-5.amzn2.0.9
amazon linux 2ghostscript-doc9.25-5.amzn2.0.9
amazon linux 2ghostscript-gtk9.25-5.amzn2.0.9
amazon linux 2libgs9.25-5.amzn2.0.9
amazon linux 2libgs-devel9.25-5.amzn2.0.9
debian 11ghostscript9.53.0~dfsg-1
debian 12ghostscript9.53.0~dfsg-1
debian 13ghostscript9.53.0~dfsg-1
debian 14ghostscript9.53.0~dfsg-1
echoghostscript9.53.0~dfsg-1
root.io debian 12rootio-ghostscript9.53.0~dfsg-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.