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CVE-2018-20786

Published: 24 February 2019

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.

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
libvterm
Launchpad, Ubuntu, Debian
bionic Needed

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Needed

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy Needed

kinetic Ignored
(end of life, was needed)
lunar Ignored
(end of life, was needed)
mantic Ignored
(end of life, was needed)
noble Needed

trusty Does not exist

upstream Needs triage

xenial Does not exist

vim
Launchpad, Ubuntu, Debian
bionic
Released (2:8.0.1453-1ubuntu1.3)
cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Not vulnerable
(2:8.1.0875-4ubuntu1)
focal Not vulnerable
(2:8.1.0875-4ubuntu1)
groovy Not vulnerable
(2:8.1.0875-4ubuntu1)
hirsute Not vulnerable
(2:8.1.0875-4ubuntu1)
impish Not vulnerable
(2:8.1.0875-4ubuntu1)
jammy Not vulnerable
(2:8.1.0875-4ubuntu1)
kinetic Not vulnerable
(2:8.1.0875-4ubuntu1)
lunar Not vulnerable
(2:8.1.0875-4ubuntu1)
mantic Not vulnerable
(2:8.1.0875-4ubuntu1)
noble Not vulnerable
(2:8.1.0875-4ubuntu1)
trusty Not vulnerable

upstream
Released (2:8.1.0693-1)
xenial Not vulnerable
(code not present)
Patches:
upstream: https://github.com/vim/vim/commit/cd929f7ba8cc5b6d6dcf35c8b34124e969fed6b8

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H