1. Home
  2. CVE Database
  3. CVE-2019-19333
CRITICAL · 9.8

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 untrus...

Vulnerability Description

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 this flaw, which would allow an attacker to cause a denial of service or possibly gain code execution.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
CesnetLibyang0.11
RedhatEnterprise Linux8.0

Related Weaknesses (CWE)

CWE-121CWE-787

References

FAQ

What is CVE-2019-19333?

CVE-2019-19333 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 untrus...

How severe is CVE-2019-19333?

CVE-2019-19333 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-19333?

Check the references section above for vendor advisories and patch information. Affected products include: Cesnet Libyang, Redhat Enterprise Linux.