Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | alpine-linux-upgrade-libksba | Sep 20, 2017 | Jun 13, 2016 |
| Amazon_linux | — | amazon-linux-upgrade-libksba | Jul 1, 2017 | Jun 2, 2016 |
| Debian | debian-upgrade-libksba | Jul 30, 2024 | Jun 13, 2016 | |
| Huawei Euleros 2_0_sp2 | huawei-euleros-2_0_sp2-upgrade-libksba | Feb 22, 2021 | Jun 13, 2016 | |
| Huawei Euleros 2_0_sp3 | huawei-euleros-2_0_sp3-upgrade-libksba | Jan 20, 2021 | Jun 13, 2016 | |
| Huawei Euleros 2_0_sp5 | huawei-euleros-2_0_sp5-upgrade-libksba | Feb 3, 2021 | Jun 13, 2016 | |
| Redhat_linux | no-fix-redhat-rpm-package | Jul 9, 2025 | May 10, 2016 | |
| Suse | — | suse-upgrade-libksbasuse-upgrade-libksba-develsuse-upgrade-libksba8suse-upgrade-sles12-docker-imagesuse-upgrade-sles12sp1-docker-image | Jun 13, 2016 | Jun 13, 2016 |
| Ubuntu | ubuntu-upgrade-libksba8 | May 17, 2016 | May 17, 2016 |
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