Unbound before 1.9.5 allows an integer overflow in sldns_str2wire_dname_buf_origin, leading to an out-of-bounds write. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade unbound-develUpgrade unbound | May 4, 2022 | Apr 27, 2021 |
| Amazon Linux Ami 2 | — | Upgrade unbound-debuginfoUpgrade unbound-develUpgrade unboundUpgrade unbound-libsUpgrade python3-unboundUpgrade python2-unbound | Jul 2, 2021 | Apr 27, 2021 |
| Centos_linux | — | Upgrade unbound-debugsourceUpgrade unbound-libs-debuginfoUpgrade python3-unbound-debuginfoUpgrade unboundUpgrade unbound-libsUpgrade unbound-debuginfoUpgrade python3-unboundUpgrade unbound-devel | Jun 1, 2021 | Apr 27, 2021 |
| Debian | — | Upgrade unbound | May 10, 2021 | Apr 27, 2021 |
| Huawei Euleros 2_0_sp2 | — | Upgrade unbound-libsUpgrade unbound | Sep 16, 2021 | Apr 27, 2021 |
| Huawei Euleros 2_0_sp3 | — | Upgrade unboundUpgrade unbound-libs | Oct 26, 2021 | Apr 27, 2021 |
| Huawei Euleros 2_0_sp5 | — | Upgrade unbound-libsUpgrade unbound | Sep 7, 2021 | Apr 27, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade python2-unboundUpgrade unboundUpgrade unbound-libsUpgrade python3-unbound | Aug 10, 2021 | Apr 27, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade python3-unboundUpgrade unbound-libsUpgrade unbound | Aug 10, 2021 | Apr 27, 2021 |
| Oracle_linux | — | Upgrade unbound-develUpgrade unbound-libsUpgrade unboundUpgrade python3-unbound | May 26, 2021 | Dec 11, 2019 |
| Redhat_linux | — | Upgrade unbound-debugsourceUpgrade unbound-libs-debuginfoUpgrade python3-unbound-debuginfoUpgrade unbound-libsUpgrade unbound-develUpgrade python3-unboundUpgrade unbound-debuginfoNo solution existsUpgrade unbound | May 21, 2021 | Apr 27, 2021 |
| Rocky_linux | — | Upgrade unbound-debugsourceUpgrade unbound-libsUpgrade unboundUpgrade python3-unbound-debuginfoUpgrade unbound-develUpgrade unbound-libs-debuginfoUpgrade unbound-debuginfoUpgrade python3-unbound | Mar 12, 2024 | Apr 27, 2021 |
| Suse | — | Upgrade unbound-anchorUpgrade unboundUpgrade unbound-muninUpgrade unbound-pythonUpgrade unbound-develUpgrade libunbound2 | Jan 26, 2022 | Apr 27, 2021 |
| Ubuntu | — | Upgrade unboundUpgrade libunbound8Upgrade libunbound2 | May 7, 2021 | Apr 27, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Apr 27, 2021 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub