"value":"In BIND 9.16.14 -> 9.16.32, 9.18.0 -> 9.18.6, versions 9.16.14-S1 -> 9.16.32-S1 of the BIND Supported Preview Edition, and versions 9.19.0 -> 9.19.4 of the BIND 9.19 development branch, a BIND 9 resolver can crash when stale cache and stale answers are enabled, option stale-answer-client-timeout is set to 0 and there is a stale CNAME in the cache for an incoming query."
"name":"[oss-security] 20220921 ISC has disclosed six vulnerabilities in BIND (CVE-2022-2795, CVE-2022-2881, CVE-2022-2906, CVE-2022-3080, CVE-2022-38177, CVE-2022-38178)",
"value":"Upgrade to the patched release most closely related to your current version of BIND: BIND 9.16.33, BIND 9.18.7, BIND 9.19.5, or for BIND Supported Preview Edition (a special feature preview branch of BIND provided to eligible ISC support customers): BIND 9.16.33-S1."
}
],
"source":{
"discovery":"EXTERNAL"
},
"work_around":[
{
"lang":"eng",
"value":"Setting stale-answer-client-timeout to off or to an integer greater than 0 will prevent BIND from crashing due to this issue."