Bug#1002539: gnuplot: CVE-2021-44917: divide-by-zero error in graph3d.c

[Salvatore Bonaccorso]

Source: gnuplot
Version: 5.4.2+dfsg2-1
Severity: normal
Tags: security upstream
Forwarded: https://sourceforge.net/p/gnuplot/bugs/2474/
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for gnuplot.

CVE-2021-44917[0]:
| A Divide by Zero vulnerability exists in gnuplot 5.4 in the boundary3d
| function in graph3d.c, which could cause a Arithmetic exception and
| application crash.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2021-44917
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44917
[1] https://sourceforge.net/p/gnuplot/bugs/2474/

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore