CVE catalog

CVE-2018-20786

libvterm: CVE-2018-20786

Severity: High · CVSS 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: Feb 24, 2019, 2:29:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 2.89% · Oct 25, 2026

libvterm through 0+bzr726, as used in Vim and other products, mishandles certain out-of-memory conditions, leading to a denial of service (application crash), related to screen.c, state.c, and vterm.c.

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	vim	sid	`2:9.2.0858-1`	fixed
Debian	vim	forky	`2:9.2.0858-1`	fixed
Debian	vim	trixie	`2:9.1.1230-2`	fixed
Debian	vim	bookworm	`2:9.0.1378-2+deb12u2`	fixed
Debian	libvterm	sid	`0.3.3-3`	vulnerable
Debian	libvterm	forky	`0.3.3-3`	vulnerable
Debian	libvterm	trixie	`0.3.3-3`	vulnerable
Debian	libvterm	bookworm	`0.1.4-1`	vulnerable
Cpe	libvterm	Not reported	Not reported	unknown

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	vim	source	sid	`2:8.1.0693-1`	unimportant	Not reported	Not reported
Debian	vim	source	forky	`2:8.1.0693-1`	unimportant	Not reported	Not reported
Debian	vim	source	trixie	`2:8.1.0693-1`	unimportant	Not reported	Not reported
Debian	vim	source	bookworm	`2:8.1.0693-1`	unimportant	Not reported	Not reported
Debian	libvterm	source	sid	`(unfixed)`	unimportant	Not reported	Not reported
Debian	libvterm	source	forky	`(unfixed)`	unimportant	Not reported	Not reported
Debian	libvterm	source	trixie	`(unfixed)`	unimportant	Not reported	Not reported
Debian	libvterm	source	bookworm	`(unfixed)`	unimportant	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libvterm0]Affected
Source package: [libvterm]
Details (2)
- 0.1.4-1 · amd64 · bookworm
  Affected
  dsa · libvterm · debian · bookworm
- 0.1.4-1 · arm64 · bookworm
  Affected
  dsa · libvterm · debian · bookworm
[libvterm-bin]Affected
Source package: [libvterm]
Details (2)
- 0.1.4-1 · amd64 · bookworm
  Affected
  dsa · libvterm · debian · bookworm
- 0.1.4-1 · arm64 · bookworm
  Affected
  dsa · libvterm · debian · bookworm
[libvterm-dev]Affected
Source package: [libvterm]
Details (2)
- 0.1.4-1 · amd64 · bookworm
  Affected
  dsa · libvterm · debian · bookworm
- 0.1.4-1 · arm64 · bookworm
  Affected
  dsa · libvterm · debian · bookworm
[vim]Fixed
Details (2)
- 2:9.0.1378-2+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
- 2:9.0.1378-2+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
[vim-athena]Fixed
Source package: [vim]
Details (2)
- 2:9.0.1378-2+deb12u2 · all · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
- 2:9.0.1378-2+deb12u2 · all · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
[vim-common]Fixed
Source package: [vim]
Details (2)
- 2:9.0.1378-2+deb12u2 · all · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
- 2:9.0.1378-2+deb12u2 · all · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
[vim-doc]Fixed
Source package: [vim]
Details (2)
- 2:9.0.1378-2+deb12u2 · all · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
- 2:9.0.1378-2+deb12u2 · all · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
[vim-gtk3]Fixed
Source package: [vim]
Details (2)
- 2:9.0.1378-2+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
- 2:9.0.1378-2+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
[vim-gui-common]Fixed
Source package: [vim]
Details (2)
- 2:9.0.1378-2+deb12u2 · all · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
- 2:9.0.1378-2+deb12u2 · all · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
[vim-motif]Fixed
Source package: [vim]
Details (2)
- 2:9.0.1378-2+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
- 2:9.0.1378-2+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
[vim-nox]Fixed
Source package: [vim]
Details (2)
- 2:9.0.1378-2+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
- 2:9.0.1378-2+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
[vim-runtime]Fixed
Source package: [vim]
Details (2)
- 2:9.0.1378-2+deb12u2 · all · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
- 2:9.0.1378-2+deb12u2 · all · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
[vim-tiny]Fixed
Source package: [vim]
Details (2)
- 2:9.0.1378-2+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
- 2:9.0.1378-2+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
[xxd]Fixed
Source package: [vim]
Details (2)
- 2:9.0.1378-2+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm
- 2:9.0.1378-2+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 2:8.1.0693-1
  dsa · vim · debian · bookworm

Observed: Oct 23, 2026, 5:36:08 PM UTC

References

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