MGASA-2021-0220

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MGASA-2021-0220

Summary: Updated bind packages fix security vulnerabilities

Details: A broken inbound incremental zone update (IXFR) can cause named to terminate unexpectedly(CVE-2021-25214). Mageia 7 version not affected. An assertion check can fail while answering queries for DNAME records that require the DNAME to be processed to resolve itself (CVE-2021-25215). This affects both versions. A second vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack (CVE-2021-25216). Mageia 7 version not affected.

References: https://advisories.mageia.org/MGASA-2021-0220.html, https://bugs.mageia.org/show_bug.cgi?id=28873, https://access.redhat.com/errata/RHSA-2021:1469, https://kb.isc.org/v1/docs/cve-2021-25214, https://kb.isc.org/v1/docs/cve-2021-25215, https://kb.isc.org/v1/docs/cve-2021-25216, https://www.openwall.com/lists/oss-security/2021/04/29/1