{"id":"CVE-2023-3341","details":"The code that processes control channel messages sent to `named` calls certain functions recursively during packet parsing. Recursion depth is only limited by the maximum accepted packet size; depending on the environment, this may cause the packet-parsing code to run out of available stack memory, causing `named` to terminate unexpectedly. Since each incoming control channel message is fully parsed before its contents are authenticated, exploiting this flaw does not require the attacker to hold a valid RNDC key; only network access to the control channel's configured TCP port is necessary.\nThis issue affects BIND 9 versions 9.2.0 through 9.16.43, 9.18.0 through 9.18.18, 9.19.0 through 9.19.16, 9.9.3-S1 through 9.16.43-S1, and 9.18.0-S1 through 9.18.18-S1.","modified":"2026-09-19T03:46:00.350509237Z","published":"2023-09-20T13:15:11.770Z","related":["ALSA-2023:5460","ALSA-2023:5474","ALSA-2023:5689","SUSE-SU-2023:3737-1","SUSE-SU-2023:3796-1","SUSE-SU-2023:3805-1","SUSE-SU-2023:3821-1","SUSE-SU-2023:3934-1","openSUSE-SU-2024:13249-1"],"database_specific":{"unresolved_ranges":[{"source":"CPE_STRING","vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"10.0"},{"last_affected":"10.0"},{"introduced":"11.0"},{"last_affected":"11.0"}]},{"source":"CPE_STRING","vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"37"},{"last_affected":"37"},{"introduced":"38"},{"last_affected":"38"}]},{"extracted_events":[{"introduced":"9.9.13-s1"},{"last_affected":"9.9.13-s1"},{"introduced":"9.9.13-s1"},{"last_affected":"9.9.13-s1"},{"introduced":"9.11.3-s4"},{"last_affected":"9.11.3-s4"},{"introduced":"9.11.3-s4"},{"last_affected":"9.11.3-s4"},{"introduced":"9.11.5-s3"},{"last_affected":"9.11.5-s3"},{"introduced":"9.11.5-s3"},{"last_affected":"9.11.5-s3"},{"introduced":"9.11.5-s5"},{"last_affected":"9.11.5-s5"},{"introduced":"9.11.5-s5"},{"last_affected":"9.11.5-s5"},{"introduced":"9.11.5-s6"},{"last_affected":"9.11.5-s6"},{"introduced":"9.11.5-s6"},{"last_affected":"9.11.5-s6"},{"introduced":"9.11.7-s1"},{"last_affected":"9.11.7-s1"},{"introduced":"9.11.7-s1"},{"last_affected":"9.11.7-s1"},{"introduced":"9.11.8-s1"},{"last_affected":"9.11.8-s1"},{"introduced":"9.11.8-s1"},{"last_affected":"9.11.8-s1"},{"introduced":"9.11.12-s1"},{"last_affected":"9.11.12-s1"},{"introduced":"9.11.12-s1"},{"last_affected":"9.11.12-s1"},{"introduced":"9.11.21-s1"},{"last_affected":"9.11.21-s1"},{"introduced":"9.11.21-s1"},{"last_affected":"9.11.21-s1"},{"introduced":"9.11.27-s1"},{"last_affected":"9.11.27-s1"},{"introduced":"9.11.27-s1"},{"last_affected":"9.11.27-s1"},{"introduced":"9.11.29-s1"},{"last_affected":"9.11.29-s1"},{"introduced":"9.11.29-s1"},{"last_affected":"9.11.29-s1"},{"introduced":"9.11.35-s1"},{"last_affected":"9.11.35-s1"},{"introduced":"9.11.35-s1"},{"last_affected":"9.11.35-s1"},{"introduced":"9.11.37-s1"},{"last_affected":"9.11.37-s1"},{"introduced":"9.11.37-s1"},{"last_affected":"9.11.37-s1"},{"introduced":"9.16.8-s1"},{"last_affected":"9.16.8-s1"},{"introduced":"9.16.8-s1"},{"last_affected":"9.16.8-s1"},{"introduced":"9.16.11-s1"},{"last_affected":"9.16.11-s1"},{"introduced":"9.16.11-s1"},{"last_affected":"9.16.11-s1"},{"introduced":"9.16.12-s1"},{"last_affected":"9.16.12-s1"},{"introduced":"9.16.12-s1"},{"last_affected":"9.16.12-s1"},{"introduced":"9.16.13-s1"},{"last_affected":"9.16.13-s1"},{"introduced":"9.16.13-s1"},{"last_affected":"9.16.13-s1"},{"introduced":"9.16.14-s1"},{"last_affected":"9.16.14-s1"},{"introduced":"9.16.14-s1"},{"last_affected":"9.16.14-s1"},{"introduced":"9.16.21-s1"},{"last_affected":"9.16.21-s1"},{"introduced":"9.16.21-s1"},{"last_affected":"9.16.21-s1"},{"introduced":"9.16.32-s1"},{"last_affected":"9.16.32-s1"},{"introduced":"9.16.32-s1"},{"last_affected":"9.16.32-s1"},{"introduced":"9.16.36-s1"},{"last_affected":"9.16.36-s1"},{"introduced":"9.16.36-s1"},{"last_affected":"9.16.36-s1"},{"introduced":"9.16.43-s1"},{"last_affected":"9.16.43-s1"},{"introduced":"9.16.43-s1"},{"last_affected":"9.16.43-s1"},{"introduced":"9.18.0-s1"},{"last_affected":"9.18.0-s1"},{"introduced":"9.18.0-s1"},{"last_affected":"9.18.0-s1"},{"introduced":"9.18.18-s1"},{"last_affected":"9.18.18-s1"},{"introduced":"9.18.18-s1"},{"last_affected":"9.18.18-s1"}],"source":"CPE_STRING","vendor_product":"isc:bind","cpes":["cpe:2.3:a:isc:bind:9.11.12:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.11.21:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.11.27:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.11.29:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.11.35:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.11.37:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.11.3:s4:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.11.5:s3:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.11.5:s5:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.11.5:s6:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.11.7:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.11.8:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.16.11:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.16.12:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.16.13:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.16.14:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.16.21:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.16.32:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.16.36:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.16.43:s1:*:*:supported_preview:*:*:*","cpe:2.3:a:isc:bind:9.1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