Skip to main content
No exploitation reportedFix available

CVE-2018-19490

No exploitation reported by the sources we read.

  • Published2018-11-23
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in datafile.c in Gnuplot 5.2.5. This issue allows an attacker to conduct a heap-based buffer overflow with an arbitrary amount of data in df_generate_ascii_array_entry. To exploit this vulnerability, an attacker must pass an overlong string as the right bound of the range argument that is passed to the plot function.

Timeline

dates in UTC
  1. 2018-11-2317:29CVE publishedNVD

Versions per branch

NVD
Gnuplot
BranchAffectedFixed in
5.2= 5.2.5no fix published
Debian debian linux
BranchAffectedFixed in
8.0= 8.0no fix published
Opensuse leap
BranchAffectedFixed in
15.0= 15.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • gnuplotUbuntu:Pro:20.04:LTSall versions · fixed in 5.2.8+dfsg1-2ubuntu0.1~esm1
  • gnuplotUbuntu:Pro:18.04:LTSall versions · fixed in 5.2.2+dfsg1-2ubuntu1+esm1
  • gnuplotUbuntu:Pro:16.04:LTSall versions · fixed in 4.6.6-3ubuntu0.1+esm1
  • gnuplotUbuntu:Pro:14.04:LTSall versions · fixed in 4.6.4-2ubuntu0.1~esm1
  • gnuplotUbuntu:16.04:LTSall versions · fixed in 4.6.6-3ubuntu0.1
  • gnuplotSUSE:Linux Enterprise Server for SAP Applications 12 SP5all versions · fixed in 4.6.5-3.3.74
  • gnuplotSUSE:Linux Enterprise Server for SAP Applications 12 SP4all versions · fixed in 4.6.5-3.3.74
  • gnuplotSUSE:Linux Enterprise Server 12 SP5all versions · fixed in 4.6.5-3.3.74

10 more package ranges on OSV.dev

Vendor advisories

  • CVE-2018-19490 Red Hat Product Security

    gnuplot: heap-based buffer overflow in df_generate_ascii_array_entry

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2018-11-23
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-c49p-76wp-8wwx

Frequently asked questions

What is CVE-2018-19490?

An issue was discovered in datafile.c in Gnuplot 5.2.5. This issue allows an attacker to conduct a heap-based buffer overflow with an arbitrary amount of data in df_generate_ascii_array_entry. To exploit this vulnerability, an attacker must pass an overlong string as the right bound of the range argument that is passed to the plot function.

Is CVE-2018-19490 actively exploited?

Active exploitation of CVE-2018-19490 has not been confirmed. Its EPSS score was 1.8% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-19490?

CVE-2018-19490 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Running gnuplot? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record