摘要:
ghostscript security update
安全等级: Critical
公告ID: KylinSec-SA-2024-3137
发布日期: 2024年4月19日
关联CVE: CVE-2020-36773
Ghostscript is an interpreter for PostScriptâ„¢ and Portable Document Format (PDF) files. Ghostscript consists of a PostScript interpreter layer, and a graphics library.
Security Fix(es):
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).(CVE-2020-36773)
| cve名称 | 产品 | 组件 | 是否受影响 |
|---|---|---|---|
| CVE-2020-36773 | KY3.4-5A | ghostscript | Fixed |
| 软件名称 | 架构 | 版本号 |
|---|---|---|
| ghostscript-help | noarch | 9.52-13.kb1.ky3_4 |
| ghostscript-devel | x86_64 | 9.52-13.kb1.ky3_4 |
| ghostscript-tools-dvipdf | x86_64 | 9.52-13.kb1.ky3_4 |
| ghostscript | x86_64 | 9.52-13.kb1.ky3_4 |
| ghostscript-tools-dvipdf | aarch64 | 9.52-13.kb1.ky3_4 |
| ghostscript | aarch64 | 9.52-13.kb1.ky3_4 |
| ghostscript-devel | aarch64 | 9.52-13.kb1.ky3_4 |
方法一：下载安装包进行升级安装
1、通过下载链接下载需要升级的升级包保存，如 xxx.rpm
2、通过rpm命令升级，如 rpm -Uvh xxx.rpm
方法二：通过软件源进行升级安装
1、保持能够连接上互联网
2、通过yum命令升级指定的包，如 yum install 包名
