CVE:CVE-2020-27842
CNNVD:CNNVD-202012-1490
OpenJPEG是一款基于C语言的开源JPEG2000编码解码器。
OpenJPEG 存在缓冲区错误漏洞，攻击者可利用该漏洞可以通过opj_tgt_reset函数强制取消对空指针的引用，以触发拒绝服务。
solution:Upgrade uclouvain openjpeg to a higher version than 2.4.0,and avoid the version (,2.4.0); Upgrade fedoraproject extra_packages_for_enterprise_linux to a higher version than 7.0,and avoid the version 7.0; Upgrade fedoraproject fedora to a higher version than 32,33,and avoid the version 32,33; Upgrade debian debian_linux to a higher version than 9.0,10.0,and avoid the version 9.0,10.0; Upgrade redhat codeready_linux_builder to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat codeready_linux_builder_for_ibm_z_systems to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat codeready_linux_builder_for_power_little_endian to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat enterprise_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat enterprise_linux_for_ibm_z_systems to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat enterprise_linux_for_power_little_endian to a higher version than 8.0,and avoid the version 8.0; Upgrade oracle outside_in_technology to a higher version than 8.5.5,and avoid the version 8.5.5