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almalinuxAlmaLinuxALSA-2023:2771
HistoryMay 16, 2023 - 12:00 a.m.

Moderate: unbound security and bug fix update

2023-05-1600:00:00
errata.almalinux.org
28
unbound
security
bug fix
dns resolver
cve
resource consumption
almalinux

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.004

Percentile

73.5%

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.

Security Fix(es):

  • unbound: NRDelegation attack leads to uncontrolled resource consumption (Non-Responsive Delegation Attack) (CVE-2022-3204)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.004

Percentile

73.5%