Buffer overflow in Graphviz
CVE-2020-18032
Buffer Overflow in Graphviz Graph Visualization Tools from commit ID f8b9e035 and earlier allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by loading a crafted file into the "lib/common/shapes.c" component.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.026 (84.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- Graphviz
- Debian Linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 33, 34
Weakness classification (CWE)
References
- gitlab.com/graphviz/graphviz/-/issues/1700 (Exploit, Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/05/msg00014.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2021/dsa-4914 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202107-04 (vendor-advisory, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2020-18032?
- CVE-2020-18032 is a high-severity vulnerability in Graphviz, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2021-04-29.
- How severe is CVE-2020-18032?
- High severity. CVSS v3 base score is 7.8 out of 10.