CVE-2021-25218

Summary

CVECVE-2021-25218
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-08-18 19:15:00 UTC
Updated2023-11-07 03:31:00 UTC
DescriptionIn BIND 9.16.19, 9.17.16. Also, version 9.16.19-S1 of BIND Supported Preview Edition When a vulnerable version of named receives a query under the circumstances described above, the named process will terminate due to a failed assertion check. The vulnerability affects only BIND 9 releases 9.16.19, 9.17.16, and release 9.16.19-S1 of the BIND Supported Preview Edition.

Risk And Classification

Problem Types: CWE-617

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 34 All All All
Application Isc Bind 9.16.19 All All All
Application Isc Bind 9.17.16 All All All
Application Isc Bind 9.17.16 s1 All All

References

ReferenceSourceLinkTags
CVE-2021-25218: A too-strict assertion check could be triggered when responses in BIND 9.16.19 and 9.17.16 require UDP fragmentation if RRL is in use - Security Advisories CONFIRM kb.isc.org
oss-security - August BIND maintenance releases contain a defect affecting servers using the map zone file format (was: A vulnerability in BIND (CVE-2021-25218) will be announced 18 August 2021) MLIST www.openwall.com
[SECURITY] Fedora 34 Update: bind-dyndb-ldap-11.9-4.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
CVE-2021-25218 ISC BIND Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
oss-security - ISC has disclosed a vulnerability in BIND (CVE-2021-25218) MLIST www.openwall.com
[SECURITY] Fedora 34 Update: bind-dyndb-ldap-11.9-4.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 15127 ISC BIND Assertion Failure Vulnerability
  • 281835 Fedora Security Update for bind (FEDORA-2021-fbb258debf)
  • 500061 Alpine Linux Security Update for bind
  • 503741 Alpine Linux Security Update for bind
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