CVE-2019-19333
Last modified
CVE-2019-19333 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 3.64% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Cesnet | Libyang | 0.11 | R1 |
| Cesnet | Libyang | 0.12 | R1 |
| Cesnet | Libyang | 0.13 | R1 |
| Cesnet | Libyang | 0.14 | R1 |
| Cesnet | Libyang | 0.15 | R1 |
| Cesnet | Libyang | 0.16 | R1 |
| Cesnet | Libyang | 1.0 | R1 |
| Redhat | Enterprise Linux | 8.0 | — |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19333Issue Tracking, Third Party Advisory
- https://github.com/CESNET/libyang/commit/f6d684ade99dd37b21babaa8a856f64faa1e2e0dPatch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19333Issue Tracking, Third Party Advisory
- https://github.com/CESNET/libyang/commit/f6d684ade99dd37b21babaa8a856f64faa1e2e0dPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-19333?
How severe is CVE-2019-19333?
How do I fix CVE-2019-19333?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2019
- CVE-2019-19328ui/editor/tooltip/Rdf.js in Wikibase Wikidata Query Service …6.1
- CVE-2019-19329In Wikibase Wikidata Query Service GUI before 0.3.6-SNAPSHOT…6.1
- CVE-2019-1933A vulnerability in the email message scanning of Cisco Async…5.8
- CVE-2019-19330The HTTP/2 implementation in HAProxy before 2.0.10 mishandle…9.8
- CVE-2019-19331knot-resolver before version 4.3.0 is vulnerable to denial o…7.5
- CVE-2019-19332An out-of-bounds memory write issue was found in the Linux K…6.1
- CVE-2019-19334In all versions of libyang before 1.0-r5, a stack-based buff…9.8
- CVE-2019-19335During installation of an OpenShift 4 cluster, the `openshif…4.4
- CVE-2019-19336A cross-site scripting vulnerability was reported in the oVi…6.1
- CVE-2019-19337A flaw was found in Red Hat Ceph Storage version 3 in the wa…6.5
- CVE-2019-19338A flaw was found in the fix for CVE-2019-11135, in the Linux…5.5
- CVE-2019-19339It was found that the Red Hat Enterprise Linux 8 kpatch upda…6.5
Are you affected by CVE-2019-19333?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST