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Ubuntu: (Multiple Advisories) (CVE-2020-19860): ldns vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2020-19860): ldns vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
01/21/2022
Created
02/03/2022
Added
02/01/2022
Modified
03/22/2023

Description

When ldns version 1.7.1 verifies a zone file, the ldns_rr_new_frm_str_internal function has a heap out of bounds read vulnerability. An attacker can leak information on the heap by constructing a zone file payload.

Solution(s)

  • ubuntu-upgrade-libldns1
  • ubuntu-upgrade-libldns2
  • ubuntu-upgrade-libldns3

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