CVE-2020-19860
Publication date 21 January 2022
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
ldns | 24.04 LTS noble |
Not affected
|
22.04 LTS jammy |
Fixed 1.7.1-2ubuntu4+esm1
|
|
20.04 LTS focal |
Fixed 1.7.0-4.1ubuntu1+esm1
|
|
18.04 LTS bionic |
Fixed 1.7.0-3ubuntu4.1
|
|
16.04 LTS xenial |
Fixed 1.6.17-8ubuntu0.1+esm1
|
|
14.04 LTS trusty | Ignored end of standard support |
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Get Ubuntu ProSeverity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 · Medium |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-5257-1
- ldns vulnerabilities
- 31 January 2022
- USN-5257-2
- ldns vulnerabilities
- 4 October 2022