HIGH
wireshark: gryphon dissector infinite loop (wnpa-sec-2019-21)
Published Sep 15, 2019
7.5
HIGHCVSS 3.1
EPSS 3.75%
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.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
wireshark
Out of support scope
Red Hat Enterprise Linux 7
wireshark
Will not fix
Red Hat Enterprise Linux 8
wireshark
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | wireshark | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | wireshark | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | wireshark | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
6.5 MEDIUM Red Hat
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
7.8 HIGH NVD
AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.75% 0.03753
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03753
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.75% (0.03753) | 89.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.75% (0.03753) | 88.43th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.40% (0.00400) | 58.56th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.21% (0.00209) | 59.83th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.19% (0.00193) | 56.89th | v3 (v2023.03.01) |
| Jul 20, 2023 | 0.18% (0.00179) | 54.18th | v3 (v2023.03.01) |
| Jul 5, 2023 | 0.18% (0.00184) | 54.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.15% (0.00154) | 49.89th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.18% (0.07176) | 80.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 5.36% (0.05363) | 79.74th | v1 |
| Jan 6, 2022 | 5.36% (0.05363) | 79.54th | v1 |
| Sep 1, 2021 | 1.25% (0.01247) | 68.62th | v1 |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
Weaknesses (1)
References (9)
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2019-16319 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16020 x_refsource_MISCIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1775149 Issue Tracking
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=02ddd49885c6a09e936a76aceb726ed06539704a x_refsource_MISC
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-16319
- https://www.cve.org/CVERecord?id=CVE-2019-16319
- https://www.wireshark.org/security/wnpa-sec-2019-21.html x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2019-16319 | Vendor Advisory | |
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16020 | x_refsource_MISCIssue TrackingVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1775149 | Issue Tracking | |
| https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=02ddd49885c6a09e936a76aceb726ed06539704a | x_refsource_MISC | |
| https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-16319 | ||
| https://www.cve.org/CVERecord?id=CVE-2019-16319 | ||
| https://www.wireshark.org/security/wnpa-sec-2019-21.html | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 15, 2019
Updated Aug 5, 2024
Reserved Sep 15, 2019
Link CVE-2019-16319
CISA Vulnrichment
Updated n/a