Design/Logic Flaw

A named instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache RFC 8198 option synth-from-dnssec enabled can be remotely terminated using a zone with a malformed NSEC record. This issue affects BIND 9 versions 9.16.8-S1 through...

Stack overflow

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 versio...

CVE-2023-2911 Exceeding the recursive-clients quota may cause named to terminate unexpectedly when stale-answer-client-timeout is set to 0

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 versio...

CVE-2023-2911

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 versio...

CVE-2023-2911

CVE-2023-2911 affects BIND 9 up to fixed versions in various distros. The issue occurs when the recursive-clients quota is reached with stale-answer-client-timeout 0, potentially causing named to loop and terminate due to a stack overflow. Public details list affected ranges (9.16.33–9.16.41, 9.1...

CVE-2023-2911 Exceeding the recursive-clients quota may cause named to terminate unexpectedly when stale-answer-client-timeout is set to 0

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 versio...

CVE-2023-2911

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 versio...

CVE-2023-2829 Malformed NSEC records can cause named to terminate unexpectedly when synth-from-dnssec is enabled

A named instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache RFC 8198 option synth-from-dnssec enabled can be remotely terminated using a zone with a malformed NSEC record. This issue affects BIND 9 versions 9.16.8-S1 through...

CVE-2023-2829

CVE-2023-2829 affects BIND 9: named may terminate when synth-from-dnssec is enabled and a zone contains a malformed NSEC record. Affected versions are BIND 9.16.8-S1–9.16.41-S1 and 9.18.11-S1–9.18.15-S1. The issue is caused by parsing/processing of DNSSEC-cache data (NSEC) and can be triggered re...

CVE-2023-2829

A named instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache RFC 8198 option synth-from-dnssec enabled can be remotely terminated using a zone with a malformed NSEC record. This issue affects BIND 9 versions 9.16.8-S1 through...

CVE-2023-2828 named's configured cache size limit can be significantly exceeded

Every named instance configured to run as a recursive resolver maintains a cache database holding the responses to the queries it has recently sent to authoritative servers. The size limit for that cache database can be configured using the max-cache-size statement in the configuration file; it...

CVE-2023-2828

Every named instance configured to run as a recursive resolver maintains a cache database holding the responses to the queries it has recently sent to authoritative servers. The size limit for that cache database can be configured using the max-cache-size statement in the configuration file; it...

Ubuntu 20.04 LTS / 22.04 LTS / 23.04 : Bind vulnerabilities (USN-6183-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6183-1 advisory. Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered that Bind incorrectly handled the cache size limit. A...

CVE-2023-2911

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 versio...

EulerOS Virtualization 2.11.0 : dhcp (EulerOS-SA-2023-2087)

According to the versions of the dhcp package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - In BIND 9.8.5 - 9.8.8, 9.9.3 - 9.11.29, 9.12.0 - 9.16.13, and versions BIND 9.9.3-S1 - 9.11.29-S1 and 9.16.8-S1 - 9.16.13-S1 of BIND...

EulerOS Virtualization 2.11.1 : bind (EulerOS-SA-2023-2053)

According to the versions of the bind packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance,...

K35322517: BIND vulnerability CVE-2016-8864

Security Advisory Description named in ISC BIND 9.x before 9.9.9-P4, 9.10.x before 9.10.4-P4, and 9.11.x before 9.11.0-P1 allows remote attackers to cause a denial of service assertion failure and daemon exit via a DNAME record in the answer section of a response to a recursive query, related to...

K14601: BIND vulnerability CVE-2012-5689

Security Advisory Description ISC BIND 9.8.x through 9.8.4-P1 and 9.9.x through 9.9.2-P1, in certain configurations involving DNS64 with a Response Policy Zone that lacks an AAAA rewrite rule, allows remote attackers to cause a denial of service assertion failure and named daemon exit via a query...

K92991044: lwresd and bind vulnerability CVE-2016-2775

Security Advisory Description ISC BIND 9.x before 9.9.9-P2, 9.10.x before 9.10.4-P2, and 9.11.x before 9.11.0b2, when lwresd or the named lwres option is enabled, allows remote attackers to cause a denial of service daemon crash via a long request that uses the lightweight resolver protocol...

K7053: BIND 9 vulnerabilities - Dereferencing freed fetch context and DNSSEC Validation

Security Advisory Description Note : Versions that are not listed in this Solution have not been evaluated for vulnerability to this security advisory. For information about the F5 security policy regarding evaluating older and unsupported versions of F5 products, refer to K4602: Overview of the ...