Buffer overflow in Gnuplot
CVE-2018-19491
An issue was discovered in post.trm in Gnuplot 5.2.5. This issue allows an attacker to conduct a buffer overflow with an arbitrary amount of data in the PS_options function. This flaw is caused by a missing size check of an argument passed to the "set font" function. This issue occurs when the Gnuplot postscript terminal is used as a backend.
Vulnerability class: Buffer Overflow
EPSS: 0.016 (72.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Gnuplot — versions 5.2.5
- Debian Debian_linux — versions 8.0
- Opensuse Leap — versions 15.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
Frequently asked questions
- What is CVE-2018-19491?
- CVE-2018-19491 is a high-severity vulnerability in Gnuplot, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-11-23.
- How severe is CVE-2018-19491?
- High severity. CVSS v3 base score is 7.8 out of 10.