Buffer overflow in Cesnet Libyang
CVE-2019-19333
In all versions of libyang before 1.0-r5, a stack-based buffer overflow was discovered in the way libyang parses YANG files with a leaf of type "bits". An application that uses libyang to parse untrusted YANG files may be vulnerable to thi…
Vulnerability class: Buffer Overflow
EPSS: 0.036 (88.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cesnet Libyang — versions 0.11, 0.12, 0.13
- Red Hat Libyang — versions libyang all versions before 1.0-r5
- Redhat Enterprise_linux — versions 8.0
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2019-19333?
- CVE-2019-19333 is a critical-severity vulnerability in Cesnet Libyang, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-12-06.
- How severe is CVE-2019-19333?
- Critical severity. CVSS v3 base score is 9.8 out of 10.