CVE-2019-11023 — The agroot() function in cgraph\obj
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.
Published
2019-04-08T22:20:09.000Z
Last modified
2024-08-04T22:40:15.959Z
01What is this vulnerability?
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.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2019-04-08T22:20:09.000Z
- Last modified: 2024-08-04T22:40:15.959Z
09References
- gitlab.com — https://gitlab.com/graphviz/graphviz/issues/1517
- research.loginsoft.com — https://research.loginsoft.com/bugs/null-pointer-dereference-in-function-agroot/
- lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
- lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
- lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00054.html
- lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00065.html
- lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00056.html
- lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00065.html
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