CVE catalog

CVE-2020-25559

gnuplot: CVE-2020-25559

Severity: Medium · CVSS 5.9CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published: Sep 16, 2020, 1:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.57% · Oct 25, 2026

gnuplot 5.5 is affected by double free when executing print_set_output. This may result in context-dependent arbitrary code execution.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	gnuplot	sid	`6.0.3+dfsg1-1`	fixed
Debian	gnuplot	forky	`6.0.3+dfsg1-1`	fixed
Debian	gnuplot	trixie	`6.0.2+dfsg1-1`	fixed
Debian	gnuplot	bookworm	`5.4.4+dfsg1-2`	vulnerable
Ubuntu	gnuplot	pro	`5.2.6+dfsg1-2`	vulnerable
Ubuntu	gnuplot	pro	`5.2.7+dfsg1-6`	vulnerable
Ubuntu	gnuplot	pro	`5.2.8+dfsg1-1`	vulnerable
Ubuntu	gnuplot	pro	`5.2.8+dfsg1-2`	vulnerable
Ubuntu	gnuplot	pro	`5.2.8+dfsg1-2ubuntu0.1~esm1`	fixed
Suse	gnuplot	linux enterprise module for server applications 15 sp2	`5.2.2-3.6.1`	fixed
Opensuse	gnuplot	leap 15.2	`5.2.2-lp152.6.3.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	gnuplot	source	sid	`6.0.0+dfsg1-1`	unimportant	Not reported	Not reported
Debian	gnuplot	source	forky	`6.0.0+dfsg1-1`	unimportant	Not reported	Not reported
Debian	gnuplot	source	trixie	`6.0.0+dfsg1-1`	unimportant	Not reported	Not reported
Debian	gnuplot	source	bookworm	`(unfixed)`	unimportant	Not reported	Not reported
Ubuntu	gnuplot	deb	pro	`5.2.8+dfsg1-2ubuntu0.1~esm1`	Not reported	UBUNTU-CVE-2020-25559	Not reported
Suse	gnuplot	rpm	linux enterprise module for server applications 15 sp2	`5.2.2-3.6.1`	Not reported	SUSE-SU-2021:0549-1	Not reported
Opensuse	gnuplot	rpm	leap 15.2	`5.2.2-lp152.6.3.1`	Not reported	OPENSUSE-SU-2021:0345-1	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[gnuplot]Affected
Details (2)
- 5.4.4+dfsg1-2 · all · bookworm
  Affected
  dsa · gnuplot · debian · bookworm; dsa · gnuplot · debian · 12
- 5.4.4+dfsg1-2 · all · bookworm
  Affected
  dsa · gnuplot · debian · bookworm; dsa · gnuplot · debian · 12
[gnuplot-data]Affected
Source package: [gnuplot]
Details (2)
- 5.4.4+dfsg1-2 · all · bookworm
  Affected
  dsa · gnuplot · debian · bookworm; dsa · gnuplot · debian · 12
- 5.4.4+dfsg1-2 · all · bookworm
  Affected
  dsa · gnuplot · debian · bookworm; dsa · gnuplot · debian · 12
[gnuplot-doc]Affected
Source package: [gnuplot]
Details (2)
- 5.4.4+dfsg1-2 · all · bookworm
  Affected
  dsa · gnuplot · debian · bookworm; dsa · gnuplot · debian · 12
- 5.4.4+dfsg1-2 · all · bookworm
  Affected
  dsa · gnuplot · debian · bookworm; dsa · gnuplot · debian · 12
[gnuplot-nox]Affected
Source package: [gnuplot]
Details (2)
- 5.4.4+dfsg1-2+b2 · amd64 · bookworm
  Affected
  dsa · gnuplot · debian · bookworm; dsa · gnuplot · debian · 12
- 5.4.4+dfsg1-2+b2 · arm64 · bookworm
  Affected
  dsa · gnuplot · debian · bookworm; dsa · gnuplot · debian · 12
[gnuplot-qt]Affected
Source package: [gnuplot]
Details (2)
- 5.4.4+dfsg1-2+b2 · amd64 · bookworm
  Affected
  dsa · gnuplot · debian · bookworm; dsa · gnuplot · debian · 12
- 5.4.4+dfsg1-2+b2 · arm64 · bookworm
  Affected
  dsa · gnuplot · debian · bookworm; dsa · gnuplot · debian · 12
[gnuplot-x11]Affected
Source package: [gnuplot]
Details (2)
- 5.4.4+dfsg1-2+b2 · amd64 · bookworm
  Affected
  dsa · gnuplot · debian · bookworm; dsa · gnuplot · debian · 12
- 5.4.4+dfsg1-2+b2 · arm64 · bookworm
  Affected
  dsa · gnuplot · debian · bookworm; dsa · gnuplot · debian · 12

[Debian 13 (Trixie)]

[gnuplot]Fixed
Details (2)
- 6.0.2+dfsg1-1 · all · trixie
  Fixed · Fixed: 6.0.0+dfsg1-1
  dsa · gnuplot · debian · 13
- 6.0.2+dfsg1-1 · all · trixie
  Fixed · Fixed: 6.0.0+dfsg1-1
  dsa · gnuplot · debian · 13
[gnuplot-data]Fixed
Source package: [gnuplot]
Details (2)
- 6.0.2+dfsg1-1 · all · trixie
  Fixed · Fixed: 6.0.0+dfsg1-1
  dsa · gnuplot · debian · 13
- 6.0.2+dfsg1-1 · all · trixie
  Fixed · Fixed: 6.0.0+dfsg1-1
  dsa · gnuplot · debian · 13
[gnuplot-doc]Fixed
Source package: [gnuplot]
Details (2)
- 6.0.2+dfsg1-1 · all · trixie
  Fixed · Fixed: 6.0.0+dfsg1-1
  dsa · gnuplot · debian · 13
- 6.0.2+dfsg1-1 · all · trixie
  Fixed · Fixed: 6.0.0+dfsg1-1
  dsa · gnuplot · debian · 13
[gnuplot-nox]Fixed
Source package: [gnuplot]
Details (2)
- 6.0.2+dfsg1-1 · amd64 · trixie
  Fixed · Fixed: 6.0.0+dfsg1-1
  dsa · gnuplot · debian · 13
- 6.0.2+dfsg1-1 · arm64 · trixie
  Fixed · Fixed: 6.0.0+dfsg1-1
  dsa · gnuplot · debian · 13
[gnuplot-qt]Fixed
Source package: [gnuplot]
Details (2)
- 6.0.2+dfsg1-1 · amd64 · trixie
  Fixed · Fixed: 6.0.0+dfsg1-1
  dsa · gnuplot · debian · 13
- 6.0.2+dfsg1-1 · arm64 · trixie
  Fixed · Fixed: 6.0.0+dfsg1-1
  dsa · gnuplot · debian · 13
[gnuplot-x11]Fixed
Source package: [gnuplot]
Details (2)
- 6.0.2+dfsg1-1 · amd64 · trixie
  Fixed · Fixed: 6.0.0+dfsg1-1
  dsa · gnuplot · debian · 13
- 6.0.2+dfsg1-1 · arm64 · trixie
  Fixed · Fixed: 6.0.0+dfsg1-1
  dsa · gnuplot · debian · 13

Observed: Oct 23, 2026, 5:49:27 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]