HIGH
graphviz: null pointer dereference in function agroot() in cgraph\obj.c
Published Apr 8, 2019
8.8
HIGHCVSS 3.0
EPSS 4.89%
Description
The agroot() function in cgraph\obj.c in libcgraph.a in Graphviz 2.39.20160612.1140 has a NULL pointer dereference, as demonstrated by graphml2gv.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
graphviz
Not affected
Red Hat Enterprise Linux 7
graphviz
Will not fix
Red Hat Enterprise Linux 8
graphviz
Fix deferred
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | graphviz | Not affected | n/a |
| Red Hat Enterprise Linux 7 | graphviz | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | graphviz | Fix deferred | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
8.8 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
1 other source (Red Hat) ▾
3.3 LOW Red Hat
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact Low
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.89% 0.04894
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
EPSS probability 0.04894
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 (44 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 4.89% (0.04894) | 91.82th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.04% (0.05037) | 91.14th | v5 (v2026.06.15) |
| Mar 4, 2026 | 1.91% (0.01906) | 82.98th | v4 (v2025.03.14) |
| Mar 1, 2026 | 0.75% (0.00754) | 73.02th | v4 (v2025.03.14) |
| Feb 4, 2026 | 1.91% (0.01906) | 82.86th | v4 (v2025.03.14) |
| Feb 1, 2026 | 0.75% (0.00754) | 72.88th | v4 (v2025.03.14) |
| Jan 4, 2026 | 1.94% (0.01942) | 82.98th | v4 (v2025.03.14) |
| Jan 1, 2026 | 0.77% (0.00769) | 73.09th | v4 (v2025.03.14) |
| Dec 4, 2025 | 1.94% (0.01942) | 82.87th | v4 (v2025.03.14) |
| Dec 1, 2025 | 0.77% (0.00769) | 72.81th | v4 (v2025.03.14) |
| Nov 21, 2025 | 1.94% (0.01942) | 82.88th | v4 (v2025.03.14) |
| Nov 18, 2025 | 3.08% (0.03078) | 85.53th | v4 (v2025.03.14) |
| Nov 4, 2025 | 1.94% (0.01942) | 82.84th | v4 (v2025.03.14) |
| Nov 1, 2025 | 0.77% (0.00769) | 72.86th | v4 (v2025.03.14) |
| Oct 4, 2025 | 1.94% (0.01942) | 82.78th | v4 (v2025.03.14) |
| Oct 1, 2025 | 0.77% (0.00769) | 72.75th | v4 (v2025.03.14) |
| Sep 5, 2025 | 1.94% (0.01942) | 82.73th | v4 (v2025.03.14) |
| Sep 1, 2025 | 0.77% (0.00769) | 72.67th | v4 (v2025.03.14) |
| Aug 4, 2025 | 1.94% (0.01942) | 82.67th | v4 (v2025.03.14) |
| Aug 1, 2025 | 0.77% (0.00769) | 72.64th | v4 (v2025.03.14) |
| Jul 4, 2025 | 1.84% (0.01840) | 82.16th | v4 (v2025.03.14) |
| Jul 1, 2025 | 0.77% (0.00769) | 72.58th | v4 (v2025.03.14) |
| Jun 4, 2025 | 1.94% (0.01942) | 82.50th | v4 (v2025.03.14) |
| Jun 1, 2025 | 0.77% (0.00769) | 72.42th | v4 (v2025.03.14) |
| May 4, 2025 | 1.84% (0.01840) | 81.98th | v4 (v2025.03.14) |
| May 1, 2025 | 0.71% (0.00715) | 71.21th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.84% (0.01840) | 81.35th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.13% (0.05125) | 82.70th | v4 (v2025.03.14) |
| Mar 28, 2025 | 1.84% (0.01840) | 81.36th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.71% (0.00715) | 70.69th | v4 (v2025.03.14) |
| Dec 17, 2024 | 8.03% (0.08034) | 94.28th | v3 (v2023.03.01) |
| Oct 8, 2024 | 5.48% (0.05478) | 93.34th | v3 (v2023.03.01) |
| Apr 1, 2024 | 3.76% (0.03757) | 91.63th | v3 (v2023.03.01) |
| Aug 2, 2023 | 3.07% (0.03072) | 89.69th | v3 (v2023.03.01) |
| Mar 15, 2023 | 3.11% (0.03113) | 89.54th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.74% (0.02738) | 88.89th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Oct 19, 2022 | 1.18% (0.01183) | 60.79th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01183) | 58.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.34% (0.12339) | 89.46th | v2 (v2022.01.01) |
| Feb 3, 2022 | 7.85% (0.07855) | 85.01th | v1 |
| Jan 6, 2022 | 7.85% (0.07855) | 84.84th | v1 |
| Sep 1, 2021 | 1.86% (0.01865) | 76.13th | v1 |
| Apr 14, 2021 | 1.86% (0.01865) | 0.00th | v1 |
Weaknesses (1)
References (12)
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00054.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00065.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00056.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00065.html vendor-advisoryx_refsource_SUSE
- https://access.redhat.com/security/cve/CVE-2019-11023 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1699848 Issue Tracking
- https://gitlab.com/graphviz/graphviz/issues/1517 x_refsource_MISCExploitThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CLEAHLDJVMAEGA3YMC7KPKJ7ZPXNMJID/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FI3D5TQE3IMCSF5OUTXQL4GVKFCIY5JG/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2019-11023
- https://research.loginsoft.com/bugs/null-pointer-dereference-in-function-agroot/ x_refsource_MISCExploitThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-11023
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 8, 2019
Updated Aug 4, 2024
Reserved Apr 8, 2019
Link CVE-2019-11023
CISA Vulnrichment
Updated n/a