CVE-2019-16319
HIGHCVSS 7.5/10EPSS 3.75%
Last modified
CVE-2019-16319 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In Wireshark 3.0.0 to 3.0.3 and 2.6.0 to 2.6.10, the Gryphon dissector could go into an infinite loop. This was addressed in plugins/epan/gryphon/packet-gryphon.c by checking for a message length of zero.. EPSS estimates a 3.75% chance of exploitation in the next 30 days.
Description
In Wireshark 3.0.0 to 3.0.3 and 2.6.0 to 2.6.10, the Gryphon dissector could go into an infinite loop. This was addressed in plugins/epan/gryphon/packet-gryphon.c by checking for a message length of zero.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | >= 2.6.0, <= 2.6.10 |
| Wireshark | Wireshark | >= 3.0.0, <= 3.0.3 |
| Opensuse | Leap | 15.1 |
| Debian | Debian Linux | 9.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.htmlMailing List, Third Party Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16020Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlMailing List, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2019-21.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.htmlMailing List, Third Party Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16020Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlMailing List, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2019-21.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-16319?
In Wireshark 3.0.0 to 3.0.3 and 2.6.0 to 2.6.10, the Gryphon dissector could go into an infinite loop. This was addressed in plugins/epan/gryphon/packet-gryphon.c by checking for a message length of zero.
How severe is CVE-2019-16319?
CVE-2019-16319 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.75% probability of exploitation in the next 30 days.
How do I fix CVE-2019-16319?
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.
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.
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Are you affected by CVE-2019-16319?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST