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 | — | Upgrade libksba | Sep 20, 2017 | Jun 13, 2016 |
| Amazon_linux | — | Upgrade libksba | Jul 1, 2017 | Jun 2, 2016 |
| Debian | — | Upgrade libksba | Jul 30, 2024 | Jun 13, 2016 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libksba | Feb 22, 2021 | Jun 13, 2016 |
| Huawei Euleros 2_0_sp3 | — | Upgrade libksba | Jan 20, 2021 | Jun 13, 2016 |
| Huawei Euleros 2_0_sp5 | — | Upgrade libksba | Feb 3, 2021 | Jun 13, 2016 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 10, 2016 |
| Suse | — | Upgrade sles12sp1-docker-imageUpgrade libksba8Upgrade libksba-develUpgrade sles12-docker-imageUpgrade libksba | Jun 13, 2016 | Jun 13, 2016 |
| Ubuntu | — | Upgrade libksba8 | May 17, 2016 | May 17, 2016 |
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