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Vulnerability of ISC BIND: denial of service via IXFR

Synthesis of the vulnerability 

An attacker can trigger a fatal error via IXFR of ISC BIND, in order to trigger a denial of service.
Impacted systems: Debian, BIND, openSUSE Leap, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this alert: 2/4.
Creation date: 29/04/2021.
Références of this alert: CERTFR-2021-AVI-325, CVE-2021-25214, DLA-2647-1, DSA-4909-1, openSUSE-SU-2021:0668-1, SSA:2021-118-01, SUSE-SU-2021:1468-1, SUSE-SU-2021:1469-1, SUSE-SU-2021:1471-1, SUSE-SU-2021:14714-1, USN-4929-1, VIGILANCE-VUL-35201.

Description of the vulnerability 

An attacker can trigger a fatal error via IXFR of ISC BIND, in order to trigger ...
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This computer vulnerability bulletin impacts software or systems such as Debian, BIND, openSUSE Leap, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this vulnerability bulletin is medium.

The trust level is of type confirmed by the editor, with an origin of internet server.

An attacker with a expert ability can exploit this threat note.

Solutions for this threat 

Fixes for this vulnerability are not yet public.
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