CVE-2020-27841
OpenJPEG是一款基于C語言的開源JPEG2000編碼解碼器。
OpenJPEG 存在緩沖區錯誤漏洞，攻擊者可利用該漏洞通過lib/openjp2/pi.c觸發緩沖區溢出，以觸發拒絕服務，并可能運行代碼。
CVE-2020-27824
OpenJPEG是一款基于C語言的開源JPEG2000編碼解碼器。
OpenJPEG 存在緩沖區錯誤漏洞，該漏洞源于opj_dwt_calc_explicit_stepsizes函數。攻擊者可利用該漏洞可以通過opj dwt計算OpenJPEG的顯式stepsizes()來觸發緩沖區溢出，以觸發拒絕服務，并可能運行代碼。
CVE-2020-27814
OpenJPEG是一款基于C語言的開源JPEG2000編碼解碼器。
OpenJPEG 2.3.1存在代碼問題漏洞，該漏洞源于lib /openjp2/mqc.c中發現了堆緩沖區覆蓋錯誤，導致越界寫入。攻擊者利用該漏洞導致遠程拒絕服務或遠程執行代碼。
CVE-2020-27823
OpenJPEG是一款基于C語言的開源JPEG2000編碼解碼器。
OpenJPEG 存在緩沖區錯誤漏洞，該漏洞源于攻擊者可利用該漏洞可以通過opj tcd dc level shift encode()觸發緩沖區溢出，以觸發拒絕服務，并可能運行代碼。
CVE-2020-27845
OpenJPEG是一款基于C語言的開源JPEG2000編碼解碼器。
OpenJPEG 存在緩沖區錯誤漏洞，攻擊者可利用該漏洞可以通過opj_pi_next_rlcp觸發緩沖區溢出，以觸發拒絕服務，并可能運行代碼。
·銀河麒麟桌面操作系統V4 SP1、銀河麒麟桌面操作系統V4 SP2、銀河麒麟桌面操作系統V4 SP3、銀河麒麟桌面操作系統V4 SP4
x86_64 架構：
libopenjp2-7、libopenjp2-tools、libopenjp3d-tools、libopenjp3d7、libopenjpip-dec-server、libopenjpip-server、libopenjpip-viewer、libopenjpip7
arm64 架構：
libopenjp2-7、libopenjp2-tools、libopenjp3d-tools、libopenjp3d7、libopenjpip-dec-server、libopenjpip-server、libopenjpip-viewer、libopenjpip7
mips64el 架構：
libopenjp2-7、libopenjp2-tools、libopenjp3d-tools、libopenjp3d7、libopenjpip-dec-server、libopenjpip-server、libopenjpip-viewer、libopenjpip7
·銀河麒麟服務器操作系統V4 SP1、銀河麒麟服務器操作系統V4 SP2、銀河麒麟服務器操作系統V4 SP3、銀河麒麟服務器操作系統V4 SP4
x86_64 架構：
libopenjp2-7、libopenjp2-tools、libopenjp3d-tools、libopenjp3d7、libopenjpip-dec-server、libopenjpip-server、libopenjpip-viewer、libopenjpip7
arm64 架構：
libopenjp2-7、libopenjp2-tools、libopenjp3d-tools、libopenjp3d7、libopenjpip-dec-server、libopenjpip-server、libopenjpip-viewer、libopenjpip7
mips64el 架構：
libopenjp2-7、libopenjp2-tools、libopenjp3d-tools、libopenjp3d7、libopenjpip-dec-server、libopenjpip-server、libopenjpip-viewer、libopenjpip7
·銀河麒麟桌面操作系統V4 SP1、銀河麒麟桌面操作系統V4 SP2、銀河麒麟桌面操作系統V4 SP3、銀河麒麟桌面操作系統V4 SP4
2.1.2-1.1+deb9u6build0.16.04.1kord
·銀河麒麟服務器操作系統V4 SP1、銀河麒麟服務器操作系統V4 SP2、銀河麒麟服務器操作系統V4 SP3、銀河麒麟服務器操作系統V4 SP4
2.1.2-1.1+deb9u6build0.16.04.1kord
打開軟件包源配置文件，根據倉庫地址進行修改。
4.0.2-sp1桌面版:
http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp1-desktop main restricted universe multiverse
4.0.2-sp2桌面版:
http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp2-desktop main restricted universe multiverse
4.0.2-sp3桌面版:
http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp3-desktop main restricted universe multiverse
4.0.2-sp4桌面版:
http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp4-desktop main restricted universe multiverse
4.0.2-sp1服務器版:
http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp1-server main restricted universe multiverse
4.0.2-sp2服務器版:
http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp2-server main restricted universe multiverse
4.0.2-sp3服務器版:
http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp3-server main restricted universe multiverse
4.0.2-sp4服務器版:
http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp4-server main restricted universe multiverse
配置完成后執行更新命令進行升級
$sudo apt update
$sudo apt install libopenjp2-7
$sudo apt install libopenjp3d7
通過軟件包地址下載軟件包，使用軟件包升級命令根據受影響的軟件包列表升級相關的組件包。
$sudo dpkg -i /Path1/Package1 /Path2/Package2 /Path3/Package3……
注：Path 指軟件包下載到本地的路徑，Package指下載的軟件包名稱，多個軟件包則以空格分開。
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp2-7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_amd64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp2-tools_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_amd64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp3d-tools_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_amd64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp3d7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_amd64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-dec-server_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_amd64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-server_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_amd64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-viewer_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_all.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_amd64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp2-7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_arm64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp2-tools_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_arm64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp3d-tools_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_arm64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp3d7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_arm64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-dec-server_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_arm64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-server_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_arm64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-viewer_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_all.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_arm64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp2-7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_mips64el.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp2-tools_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_mips64el.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp3d-tools_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_mips64el.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp3d7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_mips64el.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-dec-server_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_mips64el.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-server_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_mips64el.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-viewer_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_all.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_mips64el.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp2-7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_amd64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp2-tools_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_amd64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp3d-tools_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_amd64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp3d7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_amd64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-dec-server_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_amd64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-server_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_amd64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-viewer_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_all.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_amd64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp2-7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_arm64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp2-tools_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_arm64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp3d-tools_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_arm64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp3d7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_arm64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-dec-server_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_arm64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-server_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_arm64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-viewer_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_all.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_arm64.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp2-7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_mips64el.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp2-tools_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_mips64el.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp3d-tools_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_mips64el.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjp3d7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_mips64el.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-dec-server_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_mips64el.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-server_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_mips64el.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip-viewer_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_all.deb
http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/o/openjpeg2/libopenjpip7_2.1.2-1.1%2Bdeb9u6build0.16.04.1kord_mips64el.deb
使用軟件包查詢命令，查看相關的軟件包版本大于或等于修復版本則成功修復。
$sudo dpkg -l |grep Package
注：Package為軟件包包名。
