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Vulnerability of ISC BIND: assertion error via DNAME

Synthesis of the vulnerability 

An attacker can force an assertion error via DNAME of ISC BIND, in order to trigger a denial of service.
Vulnerable products: Debian, BIND, openSUSE Leap, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this weakness: 3/4.
Creation date: 29/04/2021.
Références of this bulletin: CERTFR-2021-AVI-325, CVE-2021-25215, DLA-2647-1, DSA-4909-1, openSUSE-SU-2021:0668-1, RHSA-2021:1468-01, RHSA-2021:1469-01, RHSA-2021:1475-01, RHSA-2021:1476-01, RHSA-2021:1477-01, RHSA-2021:1478-01, RHSA-2021:1479-01, 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-35202.

Description of the vulnerability 

An attacker can force an assertion error via DNAME of ISC BIND, in order to trig...
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This computer weakness bulletin impacts software or systems such as Debian, BIND, openSUSE Leap, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this computer threat announce is important.

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

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

Solutions for this threat 

Patches for this vulnerability are not yet public.
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