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Date: Wed, 21 Jun 2023 18:12:26 +0200
From: Michał Kępień <michal@....org>
To: oss-security@...ts.openwall.com
Cc: security-officer@....org
Subject: ISC has disclosed two vulnerabilities in BIND 9 (CVE-2023-2828,
CVE-2023-2911)
On 21 June 2023 we (Internet Systems Consortium) disclosed two vulnerabilities affecting our BIND 9 software:
- CVE-2023-2828: named's configured cache size limit can be significantly exceeded https://kb.isc.org/docs/cve-2023-2828
- CVE-2023-2911: Exceeding the recursive-clients quota may cause named to terminate unexpectedly when stale-answer-client-timeout is set to 0 https://kb.isc.org/docs/cve-2023-2911
New versions of BIND 9 are available from https://www.isc.org/downloads
Operators and package maintainers who prefer to apply patches selectively can find individual vulnerability-specific patches in the "patches" subdirectory of each published release directory:
- https://downloads.isc.org/isc/bind9/9.16.42/patches/
- https://downloads.isc.org/isc/bind9/9.18.16/patches/
- https://downloads.isc.org/isc/bind9/9.19.14/patches/
With the public announcement of these vulnerabilities, the embargo period is ended and any updated software packages that have been prepared may be released.
--
Best regards,
Michał Kępień
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