vulnerability

Amazon Linux 2023: CVE-2023-2911: Important priority package update for bind

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Jun 21, 2023
Added
Feb 17, 2025
Modified
Jul 9, 2025

Description

If the `recursive-clients` quota is reached on a BIND 9 resolver configured with both `stale-answer-enable yes;` and `stale-answer-client-timeout 0;`, a sequence of serve-stale-related lookups could cause `named` to loop and terminate unexpectedly due to a stack overflow.
This issue affects BIND 9 versions 9.16.33 through 9.16.41, 9.18.7 through 9.18.15, 9.16.33-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1.
A vulnerability was found in BIND. This security flaw occurs when the recursive-clients quota is reached on a BIND 9 resolver configured with stale-answer-enable yes; and stale-answer-client-timeout 0;. A sequence of serve-stale-related lookups could cause named to loop and terminate unexpectedly due to a stack overflow.

Solutions

amazon-linux-2023-upgrade-bindamazon-linux-2023-upgrade-bind-chrootamazon-linux-2023-upgrade-bind-debuginfoamazon-linux-2023-upgrade-bind-debugsourceamazon-linux-2023-upgrade-bind-develamazon-linux-2023-upgrade-bind-dlz-filesystemamazon-linux-2023-upgrade-bind-dlz-filesystem-debuginfoamazon-linux-2023-upgrade-bind-dlz-ldapamazon-linux-2023-upgrade-bind-dlz-ldap-debuginfoamazon-linux-2023-upgrade-bind-dlz-mysqlamazon-linux-2023-upgrade-bind-dlz-mysql-debuginfoamazon-linux-2023-upgrade-bind-dlz-sqlite3amazon-linux-2023-upgrade-bind-dlz-sqlite3-debuginfoamazon-linux-2023-upgrade-bind-dnssec-docamazon-linux-2023-upgrade-bind-dnssec-utilsamazon-linux-2023-upgrade-bind-dnssec-utils-debuginfoamazon-linux-2023-upgrade-bind-docamazon-linux-2023-upgrade-bind-libsamazon-linux-2023-upgrade-bind-libs-debuginfoamazon-linux-2023-upgrade-bind-licenseamazon-linux-2023-upgrade-bind-pkcs11amazon-linux-2023-upgrade-bind-pkcs11-debuginfoamazon-linux-2023-upgrade-bind-pkcs11-develamazon-linux-2023-upgrade-bind-pkcs11-libsamazon-linux-2023-upgrade-bind-pkcs11-libs-debuginfoamazon-linux-2023-upgrade-bind-pkcs11-utilsamazon-linux-2023-upgrade-bind-pkcs11-utils-debuginfoamazon-linux-2023-upgrade-bind-utilsamazon-linux-2023-upgrade-bind-utils-debuginfoamazon-linux-2023-upgrade-python3-bind
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.