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Vulnérabilités / CVE-2020-36773

critique

CVE-2020-36773

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

Publiée Modifiée CWE 416, 787
Dans la Trivy database depuis au moins le 24 oct. 2026, 07:11 UTCLa date d'entrée avant ce build n'est pas enregistrée.

Sévérité par source

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

Le label propre à Trivy est CRITICAL. Critique selon NVD. Plus basse selon Red Hat (élevée), Amazon (élevée).

Description

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).

Paquets affectés et versions corrigées

SourcePaquetCorrigé en
amazon linux 2ghostscript, ghostscript-cups, ghostscript-debuginfo et 4 autres9.25-5.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
Afficher les 13 entrées de 7 sources
SourcePaquetCorrigé 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

Références

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.