CVE-2020-36773

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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).

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Feb 4, 2024
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-367745.5plugins/gtk+/glade-gtk-box.c in GNOME Glade before 3.38.1 and 3.39.x before 3.40.0 mishandles widget rebuilding for GladeGtkBox, leading to CVE-2020-367755.5In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock Using f2fs_trylock_op() in f2fs_CVE-2020-367765.5In the Linux kernel, the following vulnerability has been resolved: thermal/drivers/cpufreq_cooling: Fix slab OOB issue Slab OOB issue is CVE-2020-367775.5In the Linux kernel, the following vulnerability has been resolved: media: dvbdev: Fix memory leak in dvb_media_device_free() dvb_media_deCVE-2020-367785.5In the Linux kernel, the following vulnerability has been resolved: i2c: xiic: fix reference leak when pm_runtime_get_sync fails The PM reCVE-2020-367795.5In the Linux kernel, the following vulnerability has been resolved: i2c: stm32f7: fix reference leak when pm_runtime_get_sync fails The PMCVE-2020-36787.8u'A buffer overflow could occur if the API is improperly used due to UIE init does not contain a buffer size a param' in Snapdragon ConsumerCVE-2020-367804.7In the Linux kernel, the following vulnerability has been resolved: i2c: sprd: fix reference leak when pm_runtime_get_sync fails The PM reCVE-2020-367815.5In the Linux kernel, the following vulnerability has been resolved: i2c: imx: fix reference leak when pm_runtime_get_sync fails In i2c_imxCVE-2020-367825.5In the Linux kernel, the following vulnerability has been resolved: i2c: imx-lpi2c: fix reference leak when pm_runtime_get_sync fails The CVE-2020-367835.5In the Linux kernel, the following vulnerability has been resolved: i2c: img-scb: fix reference leak when pm_runtime_get_sync fails The PMCVE-2020-367845.5In the Linux kernel, the following vulnerability has been resolved: i2c: cadence: fix reference leak when pm_runtime_get_sync fails The PM
CVE-2020-36773: Critical severity, CVSS 9.8 | Vulnix