BIND 9 resolver can crash when stale cache and stale answers are enabled, option stale-answer-client-timeout is set to a positive integer, and the resolver receives an RRSIG query.
This issue affects BIND 9 versions 9.16.12 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and 9.16.12-S1 through 9.16.36-S1.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"last_affected": "9.16.11-s1"
}
],
"cpe": "cpe:2.3:a:isc:bind:9.16.11:s1:*:*:supported_preview:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "9.16.13-s1"
}
],
"cpe": "cpe:2.3:a:isc:bind:9.16.13:s1:*:*:supported_preview:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "9.16.14-s1"
}
],
"cpe": "cpe:2.3:a:isc:bind:9.16.14:s1:*:*:supported_preview:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "9.16.21-s1"
}
],
"cpe": "cpe:2.3:a:isc:bind:9.16.21:s1:*:*:supported_preview:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "9.16.32-s1"
}
],
"cpe": "cpe:2.3:a:isc:bind:9.16.32:s1:*:*:supported_preview:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "9.16.36-s1"
}
],
"cpe": "cpe:2.3:a:isc:bind:9.16.36:s1:*:*:supported_preview:*:*:*",
"source": "CPE_FIELD"
}
]
}{
"extracted_events": [
{
"introduced": "9.16.12"
},
{
"fixed": "9.16.37"
},
{
"introduced": "9.18.0"
},
{
"fixed": "9.18.11"
},
{
"introduced": "9.19.0"
},
{
"fixed": "9.19.9"
}
],
"cpe": "cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*",
"source": "CPE_FIELD"
}