CVE-2016-4356
UnknownEPSS 2.93%
Last modified
CVE-2016-4356 is a vulnerability of currently unknown severity. The append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.3 allows remote attackers to cause a denial of service (out-of-bounds read) by clearing the high bit of the byte after invalid utf-8 encoded data.. EPSS estimates a 2.93% chance of exploitation in the next 30 days.
Description
The append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.3 allows remote attackers to cause a denial of service (out-of-bounds read) by clearing the high bit of the byte after invalid utf-8 encoded data.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnupg | Libksba | <= 1.3.2 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-4356?
The append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.3 allows remote attackers to cause a denial of service (out-of-bounds read) by clearing the high bit of the byte after invalid utf-8 encoded data.
How severe is CVE-2016-4356?
Severity scoring for CVE-2016-4356 is pending analysis. The EPSS model estimates a 2.93% probability of exploitation in the next 30 days.
How do I fix CVE-2016-4356?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2016-4356?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST