Upstream information
Description
nsd-checkzone in NLnet Labs NSD 4.2.0 has a Stack-based Buffer Overflow in the dname_concatenate() function in dname.c.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having moderate severity.
| CVSS detail | National Vulnerability Database |
|---|---|
| Base Score | 7.5 |
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| Access Vector | Network |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
| CVSS detail | National Vulnerability Database | SUSE |
|---|---|---|
| Base Score | 9.8 | 6.5 |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L |
| Attack Vector | Network | Network |
| Attack Complexity | Low | Low |
| Privileges Required | None | None |
| User Interaction | None | None |
| Scope | Unchanged | Unchanged |
| Confidentiality Impact | High | Low |
| Integrity Impact | High | None |
| Availability Impact | High | Low |
| CVSSv3 Version | 3 | 3.1 |
SUSE Security Advisories:
- openSUSE-SU-2020:2222-1, published Tue Feb 16 10:57:22 2021
List of released packages
| Product(s) | Fixed package version(s) | References |
|---|---|---|
| SUSE Package Hub 12 |
| Patchnames: openSUSE-2020-2222 |
| SUSE Package Hub 15 SP1 |
| Patchnames: openSUSE-2020-2222 |
| SUSE Package Hub 15 SP2 |
| Patchnames: openSUSE-2020-2222 |
| openSUSE Leap 15.1 |
| Patchnames: openSUSE-2020-2222 |
| openSUSE Leap 15.2 |
| Patchnames: openSUSE-2020-2222 |
| openSUSE Tumbleweed |
| Patchnames: openSUSE-Tumbleweed-2024-11100 |
SUSE Timeline for this CVE
CVE page created: Thu Jul 4 01:37:27 2019CVE page last modified: Sat Nov 1 21:33:42 2025